diff --git a/underscore/underscore.d.ts b/underscore/underscore.d.ts
index 4842224c91..4aed7a855f 100644
--- a/underscore/underscore.d.ts
+++ b/underscore/underscore.d.ts
@@ -2833,7 +2833,7 @@ interface _Chain<T> {
 	* Wrapped type `any[]`.
 	* @see _.partition
 	**/
-	partition(iterator: _.ListIterator<T, boolean>, context?: any): _Chain<T[][]>;
+	partition(iterator: _.ListIterator<T, boolean>, context?: any): _Chain<T[]>;
 
 	/**
 	* Wrapped type `any[][]`.