diff --git a/src/classes/metadata-types/taxonomy/class-tainacan-taxonomy.php b/src/classes/metadata-types/taxonomy/class-tainacan-taxonomy.php
index dcdcd621f..c1e016b2d 100644
--- a/src/classes/metadata-types/taxonomy/class-tainacan-taxonomy.php
+++ b/src/classes/metadata-types/taxonomy/class-tainacan-taxonomy.php
@@ -19,7 +19,7 @@ class Taxonomy extends Metadata_Type {
         $this->set_primitive_type('term');
         
         $this->set_default_options([
-            'allow_new_terms' => false
+            'allow_new_terms' => 'no'
         ]);
 
         $this->set_form_component('tainacan-form-taxonomy');
@@ -166,7 +166,7 @@ class Taxonomy extends Metadata_Type {
 
 		$valid = true;
         
-        if (false === $this->get_option('allow_new_terms')) {
+        if ('no' === $this->get_option('allow_new_terms') || false === $this->get_option('allow_new_terms')) { //support legacy bug when it was saved as false
 			$terms = $item_metadata->get_value();
 			
 			if (false === $terms)
diff --git a/src/importer/class-tainacan-test-importer.php b/src/importer/class-tainacan-test-importer.php
index 28f265c1d..19d3f8f0b 100644
--- a/src/importer/class-tainacan-test-importer.php
+++ b/src/importer/class-tainacan-test-importer.php
@@ -366,7 +366,7 @@ class Test_Importer extends Importer {
 			'type' => 'Tainacan\Metadata_Types\Taxonomy',
 			'options' => [
 			'taxonomy_id' => $this->get_transient('tax_1_id'),
-			'allow_new_terms' => true
+			'allow_new_terms' => 'yes'
 			]
 		], $col1 );
 
@@ -584,7 +584,7 @@ class Test_Importer extends Importer {
 		$metadatum1 = $this->metadata_repo->fetch( $this->get_transient('tax_1_metadatum') );
 		if ($metadatum1) {
 			$options = $metadatum1->get_metadata_type_options();
-			$options['allow_new_terms'] = false;
+			$options['allow_new_terms'] = 'no';
 			$metadatum1->set_metadata_type_options($options);
 			if ($metadatum1->validate()) {
 				$this->metadata_repo->insert($metadatum1);
diff --git a/tests/test-api-visibility-objects.php b/tests/test-api-visibility-objects.php
index e2841a22e..47e4f996a 100644
--- a/tests/test-api-visibility-objects.php
+++ b/tests/test-api-visibility-objects.php
@@ -149,7 +149,7 @@ class TAINACAN_REST_Visibilility_Controller extends TAINACAN_UnitApiTestCase {
 				'collection' => $collection,
 				'metadata_type'  => 'Tainacan\Metadata_Types\Taxonomy',
 				'metadata_type_options' => [
-					'allow_new_terms' => true,
+					'allow_new_terms' => 'yes',
 					'taxonomy_id' => $taxonomy_public->get_id()
 				],
 				'multiple' => 'yes'
@@ -165,7 +165,7 @@ class TAINACAN_REST_Visibilility_Controller extends TAINACAN_UnitApiTestCase {
 				'collection' => $collection,
 				'metadata_type'  => 'Tainacan\Metadata_Types\Taxonomy',
 				'metadata_type_options' => [
-					'allow_new_terms' => true,
+					'allow_new_terms' => 'yes',
 					'taxonomy_id' => $taxonomy_private->get_id()
 				],
 				'multiple' => 'yes'
diff --git a/tests/test-bulkedit.php b/tests/test-bulkedit.php
index 80f8b1514..55f35805a 100644
--- a/tests/test-bulkedit.php
+++ b/tests/test-bulkedit.php
@@ -78,7 +78,7 @@ class BulkEdit extends TAINACAN_UnitApiTestCase {
 			    'collection' => $collection,
 				'metadata_type'  => 'Tainacan\Metadata_Types\Taxonomy',
 				'metadata_type_options' => [
-					'allow_new_terms' => true,
+					'allow_new_terms' => 'yes',
 					'taxonomy_id' => $taxonomy->get_id()
 				],
 				'multiple' => 'yes'
@@ -1229,7 +1229,7 @@ class BulkEdit extends TAINACAN_UnitApiTestCase {
 			    'collection' => $this->collection,
 				'metadata_type'  => 'Tainacan\Metadata_Types\Taxonomy',
 				'metadata_type_options' => [
-					'allow_new_terms' => false,
+					'allow_new_terms' => 'no',
 					'taxonomy_id' => $taxonomy2->get_id()
 				],
 				'multiple' => 'yes'
diff --git a/tests/test-category-metadatum-types.php b/tests/test-category-metadatum-types.php
index e04809b84..110ba71b9 100644
--- a/tests/test-category-metadatum-types.php
+++ b/tests/test-category-metadatum-types.php
@@ -50,7 +50,7 @@ class TaxonomyMetadatumTypes extends TAINACAN_UnitTestCase {
 				'status'	 => 'publish',
 				'metadata_type_options' => [
 					'taxonomy_id' => $tax->get_id(),
-					'allow_new_terms' => false
+					'allow_new_terms' => 'no'
 				]
 	        ),
 	        true
@@ -187,7 +187,7 @@ class TaxonomyMetadatumTypes extends TAINACAN_UnitTestCase {
 				'status'	 => 'publish',
 				'metadata_type_options' => [
 					'taxonomy_id' => $tax->get_id(),
-					'allow_new_terms' => false
+					'allow_new_terms' => 'no'
 				]
 	        ),
 	        true
@@ -202,7 +202,7 @@ class TaxonomyMetadatumTypes extends TAINACAN_UnitTestCase {
 		
 		$metadatum->set_metadata_type_options([
 			'taxonomy_id' => $tax2->get_id(),
-			'allow_new_terms' => false
+			'allow_new_terms' => 'no'
 		]);
 		
 		$metadatum->validate();
@@ -230,7 +230,7 @@ class TaxonomyMetadatumTypes extends TAINACAN_UnitTestCase {
 				'status'	 => 'publish',
 				'metadata_type_options' => [
 					'taxonomy_id' => $tax3->get_id(),
-					'allow_new_terms' => false
+					'allow_new_terms' => 'no'
 				]
 	        ),
 	        true
@@ -302,7 +302,7 @@ class TaxonomyMetadatumTypes extends TAINACAN_UnitTestCase {
 				'status'	 => 'publish',
 				'metadata_type_options' => [
 					'taxonomy_id' => $tax->get_id(),
-					'allow_new_terms' => false
+					'allow_new_terms' => 'no'
 				]
 	        ),
 	        true
@@ -318,7 +318,7 @@ class TaxonomyMetadatumTypes extends TAINACAN_UnitTestCase {
 				'status'	 => 'publish',
 				'metadata_type_options' => [
 					'taxonomy_id' => $tax2->get_id(),
-					'allow_new_terms' => false
+					'allow_new_terms' => 'no'
 				]
 	        ),
 	        true
@@ -334,7 +334,7 @@ class TaxonomyMetadatumTypes extends TAINACAN_UnitTestCase {
 				'status'	 => 'publish',
 				'metadata_type_options' => [
 					'taxonomy_id' => $tax2->get_id(),
-					'allow_new_terms' => false
+					'allow_new_terms' => 'no'
 				]
 	        ),
 	        true
@@ -350,7 +350,7 @@ class TaxonomyMetadatumTypes extends TAINACAN_UnitTestCase {
 				'status'	 => 'publish',
 				'metadata_type_options' => [
 					'taxonomy_id' => $tax3->get_id(),
-					'allow_new_terms' => false
+					'allow_new_terms' => 'no'
 				]
 	        ),
 	        true
@@ -469,7 +469,7 @@ class TaxonomyMetadatumTypes extends TAINACAN_UnitTestCase {
 				'status'	 => 'publish',
 				'metadata_type_options' => [
 					'taxonomy_id' => $tax->get_id(),
-					'allow_new_terms' => false
+					'allow_new_terms' => 'no'
 				]
 	        ),
 	        true
@@ -486,7 +486,7 @@ class TaxonomyMetadatumTypes extends TAINACAN_UnitTestCase {
 				'status'	 => 'publish',
 				'metadata_type_options' => [
 					'taxonomy_id' => $tax2->get_id(),
-					'allow_new_terms' => false
+					'allow_new_terms' => 'no'
 				]
 	        ),
 	        true
@@ -502,7 +502,7 @@ class TaxonomyMetadatumTypes extends TAINACAN_UnitTestCase {
 				'status'	 => 'publish',
 				'metadata_type_options' => [
 					'taxonomy_id' => $tax3->get_id(),
-					'allow_new_terms' => false
+					'allow_new_terms' => 'no'
 				]
 	        ),
 	        true
@@ -519,7 +519,7 @@ class TaxonomyMetadatumTypes extends TAINACAN_UnitTestCase {
 				'status'	 => 'publish',
 				'metadata_type_options' => [
 					'taxonomy_id' => $tax4->get_id(),
-					'allow_new_terms' => false
+					'allow_new_terms' => 'no'
 				]
 	        ),
 	        true
@@ -582,7 +582,7 @@ class TaxonomyMetadatumTypes extends TAINACAN_UnitTestCase {
 				'status'	 => 'publish',
 				'metadata_type_options' => [
 					'taxonomy_id' => $tax->get_id(),
-					'allow_new_terms' => true
+					'allow_new_terms' => 'yes'
 				]
 	        ),
 	        true
@@ -638,7 +638,7 @@ class TaxonomyMetadatumTypes extends TAINACAN_UnitTestCase {
 		$meta->set_collection($collection);
 		$meta->set_metadata_type_options([
 			'taxonomy_id' => $tax->get_id(),
-			'allow_new_terms' => true
+			'allow_new_terms' => 'yes'
 		]);
 		
 		$this->assertFalse($meta->validate(), 'Metadatum should not validate because taxonomy is private');
diff --git a/tests/test-facets.php b/tests/test-facets.php
index 92f562453..5dcb5584c 100644
--- a/tests/test-facets.php
+++ b/tests/test-facets.php
@@ -298,7 +298,7 @@ class Facets extends TAINACAN_UnitApiTestCase {
 			    'collection' => $collection1,
 				'metadata_type'  => 'Tainacan\Metadata_Types\Taxonomy',
 				'metadata_type_options' => [
-					'allow_new_terms' => true,
+					'allow_new_terms' => 'yes',
 					'taxonomy_id' => $taxonomy->get_id()
 				],
 				'multiple' => 'yes'
@@ -317,7 +317,7 @@ class Facets extends TAINACAN_UnitApiTestCase {
 			    'collection' => $collection2,
 				'metadata_type'  => 'Tainacan\Metadata_Types\Taxonomy',
 				'metadata_type_options' => [
-					'allow_new_terms' => true,
+					'allow_new_terms' => 'yes',
 					'taxonomy_id' => $taxonomy->get_id()
 				],
 				'multiple' => 'yes'
@@ -335,7 +335,7 @@ class Facets extends TAINACAN_UnitApiTestCase {
 			    'collection' => $collection1,
 				'metadata_type'  => 'Tainacan\Metadata_Types\Taxonomy',
 				'metadata_type_options' => [
-					'allow_new_terms' => true,
+					'allow_new_terms' => 'yes',
 					'taxonomy_id' => $taxonomy2->get_id()
 				],
 				'multiple' => 'yes'
@@ -379,7 +379,7 @@ class Facets extends TAINACAN_UnitApiTestCase {
 			    'collection' => $collection2,
 				'metadata_type'  => 'Tainacan\Metadata_Types\Relationship',
 				'metadata_type_options' => [
-					'allow_new_terms' => true,
+					'allow_new_terms' => 'yes',
 					'collection_id' => $collection1->get_id(),
 					'search' => []
 				]
diff --git a/tests/test-importer.php b/tests/test-importer.php
index 74d05f052..19e94455b 100644
--- a/tests/test-importer.php
+++ b/tests/test-importer.php
@@ -344,7 +344,7 @@ class ImporterTests extends TAINACAN_UnitTestCase {
 		    array(
 			    'name'              => 'taxonomia',
                 'collection_id'     => $collection->get_id(),
-                'metadata_type_options' => ['taxonomy_id' => $taxonomy->get_id(), 'allow_new_terms' => true ],
+                'metadata_type_options' => ['taxonomy_id' => $taxonomy->get_id(), 'allow_new_terms' => 'yes' ],
 			    'metadata_type'  => 'Tainacan\Metadata_Types\Taxonomy',
 			    'status'            => 'publish'
 		    ),
diff --git a/tests/test-taxonomies.php b/tests/test-taxonomies.php
index 9c454cd8b..6d13b6070 100644
--- a/tests/test-taxonomies.php
+++ b/tests/test-taxonomies.php
@@ -365,7 +365,7 @@ class Taxonomies extends TAINACAN_UnitTestCase {
 		        'collection'        => $collection,
 		        'metadata_type'  => 'Tainacan\Metadata_Types\Taxonomy',
 				'metadata_type_options' => [
-					'allow_new_terms' => true,
+					'allow_new_terms' => 'yes',
 					'taxonomy_id' => $taxonomy->get_id()
 				],
 	        ),