diff --git a/types/fabric/fabric-impl.d.ts b/types/fabric/fabric-impl.d.ts
index 4af44275e9..c74b50caa4 100644
--- a/types/fabric/fabric-impl.d.ts
+++ b/types/fabric/fabric-impl.d.ts
@@ -5281,13 +5281,13 @@ interface IUtilClass {
 	 * @param [properties] Properties shared by all instances of this class
 	 *                  (be careful modifying objects defined here as this would affect all instances)
 	 */
-	createClass(parent: Function, properties?: any): void;
+	createClass(parent: Function, properties?: any): any;
 	/**
 	 * Helper for creation of "classes".
 	 * @param [properties] Properties shared by all instances of this class
 	 *                  (be careful modifying objects defined here as this would affect all instances)
 	 */
-	createClass(properties?: any): void;
+	createClass(properties?: any): any;
 }
 
 interface IUtilObject {