diff --git a/plugins/woocommerce/changelog/fix-unit-nightly b/plugins/woocommerce/changelog/fix-unit-nightly
new file mode 100644
index 00000000000..acaf6bd11e7
--- /dev/null
+++ b/plugins/woocommerce/changelog/fix-unit-nightly
@@ -0,0 +1,5 @@
+Significance: patch
+Type: fix
+Comment: Fixes a unit test for WP nightly. No functional change.
+
+
diff --git a/plugins/woocommerce/tests/legacy/unit-tests/core/template-cache.php b/plugins/woocommerce/tests/legacy/unit-tests/core/template-cache.php
index f1658e17d8d..d429115615b 100644
--- a/plugins/woocommerce/tests/legacy/unit-tests/core/template-cache.php
+++ b/plugins/woocommerce/tests/legacy/unit-tests/core/template-cache.php
@@ -57,8 +57,10 @@ class WC_Template_Cache extends WC_Unit_Test_Case {
 		$cached_templates = wp_cache_get( 'cached_templates', 'woocommerce' );
 		wc_clear_template_cache();
 
-		foreach ( (array) $cached_templates as $template ) {
-			$this->assertEmpty( wp_cache_get( $template, 'woocommerce' ) );
+		if ( $cached_templates ) {
+			foreach ( (array) $cached_templates as $template ) {
+				$this->assertEmpty( wp_cache_get( $template, 'woocommerce' ) );
+			}
 		}
 		$this->assertEmpty( wp_cache_get( 'cached_templates', 'woocommerce' ) );
 	}