diff --git a/types/hammerjs/index.d.ts b/types/hammerjs/index.d.ts
index 587a3c89a0..d1bb8ffd85 100644
--- a/types/hammerjs/index.d.ts
+++ b/types/hammerjs/index.d.ts
@@ -263,19 +263,15 @@ interface Recognizer
 
   canEmit():boolean;
   canRecognizeWith( otherRecognizer:Recognizer ):boolean;
-  dropRecognizeWith( otherRecognizer:Recognizer ):Recognizer;
-  dropRecognizeWith( otherRecognizer:string ):Recognizer;
-  dropRequireFailure( otherRecognizer:Recognizer ):Recognizer;
-  dropRequireFailure( otherRecognizer:string ):Recognizer;
+  dropRecognizeWith( otherRecognizer:Recognizer | Recognizer[] | string):Recognizer;
+  dropRequireFailure( otherRecognizer:Recognizer | Recognizer[] | string):Recognizer;
   emit( input:HammerInput ):void;
   getTouchAction():any[];
   hasRequireFailures():boolean;
   process( inputData:HammerInput ):string;
   recognize( inputData:HammerInput ):void;
-  recognizeWith( otherRecognizer:Recognizer ):Recognizer;
-  recognizeWith( otherRecognizer:string ):Recognizer;
-  requireFailure( otherRecognizer:Recognizer ):Recognizer;
-  requireFailure( otherRecognizer:string ):Recognizer;
+  recognizeWith( otherRecognizer:Recognizer | Recognizer[] | string):Recognizer;
+  requireFailure( otherRecognizer:Recognizer | Recognizer[] | string):Recognizer;
   reset():void;
   set( options?:RecognizerOptions ):Recognizer;
   tryEmit( input:HammerInput ):void;