diff --git a/src/wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php b/src/wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php
index d2aea69363..afb6054beb 100644
--- a/src/wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php
+++ b/src/wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php
@@ -965,7 +965,7 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 				'taxonomy'    => array(
 					'description' => __( 'Type attribution for the term.' ),
 					'type'        => 'string',
-					'enum'        => array_keys( get_taxonomies() ),
+					'enum'        => array( $this->taxonomy ),
 					'context'     => array( 'view', 'embed', 'edit' ),
 					'readonly'    => true,
 				),
diff --git a/tests/phpunit/tests/rest-api/rest-categories-controller.php b/tests/phpunit/tests/rest-api/rest-categories-controller.php
index 99beabbc5e..5bd0d03a43 100644
--- a/tests/phpunit/tests/rest-api/rest-categories-controller.php
+++ b/tests/phpunit/tests/rest-api/rest-categories-controller.php
@@ -1140,7 +1140,7 @@ class WP_Test_REST_Categories_Controller extends WP_Test_REST_Controller_Testcas
 		$this->assertArrayHasKey( 'parent', $properties );
 		$this->assertArrayHasKey( 'slug', $properties );
 		$this->assertArrayHasKey( 'taxonomy', $properties );
-		$this->assertSame( array_keys( get_taxonomies() ), $properties['taxonomy']['enum'] );
+		$this->assertSame( array( 'category' ), $properties['taxonomy']['enum'] );
 	}
 
 	public function test_get_additional_field_registration() {
diff --git a/tests/phpunit/tests/rest-api/rest-tags-controller.php b/tests/phpunit/tests/rest-api/rest-tags-controller.php
index 72c2df455e..7d62f67282 100644
--- a/tests/phpunit/tests/rest-api/rest-tags-controller.php
+++ b/tests/phpunit/tests/rest-api/rest-tags-controller.php
@@ -1233,7 +1233,7 @@ class WP_Test_REST_Tags_Controller extends WP_Test_REST_Controller_Testcase {
 		$this->assertArrayHasKey( 'name', $properties );
 		$this->assertArrayHasKey( 'slug', $properties );
 		$this->assertArrayHasKey( 'taxonomy', $properties );
-		$this->assertSame( array_keys( get_taxonomies() ), $properties['taxonomy']['enum'] );
+		$this->assertSame( array( 'post_tag' ), $properties['taxonomy']['enum'] );
 	}
 
 	public function test_get_item_schema_non_hierarchical() {