diff --git a/types/helpers/helpers.color.d.ts b/types/helpers/helpers.color.d.ts
index c76bb4b0128..460b8d1fe1a 100644
--- a/types/helpers/helpers.color.d.ts
+++ b/types/helpers/helpers.color.d.ts
@@ -10,7 +10,7 @@ export function color(
   | [number, number, number, number]
 ): ColorModel;
 
-export function isPatternOrGradient(value: AnyObject): boolean;
+export function isPatternOrGradient(value: string | AnyObject): boolean;
 
 export interface ColorModel {
   rgbString(): string;