diff --git a/includes/class-wc-product-attribute.php b/includes/class-wc-product-attribute.php
index 25a525b1964..ab730ad22a8 100644
--- a/includes/class-wc-product-attribute.php
+++ b/includes/class-wc-product-attribute.php
@@ -77,7 +77,7 @@ class WC_Product_Attribute implements ArrayAccess {
 
 				if ( ! $term || is_wp_error( $term ) ) {
 					$new_term = wp_insert_term( $option, $this->get_name() );
-					$term     = get_term_by( 'id', $new_term['term_id'], $this->get_name() );
+					$term     = is_wp_error( $new_term ) ? false : get_term_by( 'id', $new_term['term_id'], $this->get_name() );
 				}
 			}
 			if ( $term && ! is_wp_error( $term ) ) {
@@ -105,7 +105,7 @@ class WC_Product_Attribute implements ArrayAccess {
 
 				if ( ! $term || is_wp_error( $term ) ) {
 					$new_term = wp_insert_term( $option, $this->get_name() );
-					$term     = get_term_by( 'id', $new_term['term_id'], $this->get_name() );
+					$term     = is_wp_error( $new_term ) ? false : get_term_by( 'id', $new_term['term_id'], $this->get_name() );
 				}
 			}
 			if ( $term && ! is_wp_error( $term ) ) {