diff --git a/chalk/index.d.ts b/chalk/index.d.ts
index 31ad99b6b4..3651e8077d 100644
--- a/chalk/index.d.ts
+++ b/chalk/index.d.ts
@@ -14,7 +14,7 @@ declare namespace Chalk {
     export function hasColor(str: string): boolean;
 
     export interface ChalkChain extends ChalkStyle {
-        (): false;
+        (): boolean;
         (...text: string[]): string;
     }