diff --git a/lodash/lodash-tests.ts b/lodash/lodash-tests.ts
index 12078ca9e..fc8f8a527 100644
--- a/lodash/lodash-tests.ts
+++ b/lodash/lodash-tests.ts
@@ -693,10 +693,18 @@ result = <any>_.forOwn({ '0': 'zero', '1': 'one', 'length': 2 }, function(num, k
   console.log(key);
 });
 
+	result = <_.LoDashObjectWrapper<any>>_({ '0': 'zero', '1': 'one', 'length': 2 }).forOwn(function(num, key) {
+	  console.log(key);
+	});
+
 result = <any>_.forOwnRight({ '0': 'zero', '1': 'one', 'length': 2 }, function(num, key) {
   console.log(key);
 });
 
+	result = <_.LoDashObjectWrapper<any>>_({ '0': 'zero', '1': 'one', 'length': 2 }).forOwnRight(function(num, key) {
+	  console.log(key);
+	});
+
 result = <string[]>_.functions(_);
  	result = <string[]>_.methods(_);
 
diff --git a/lodash/lodash.d.ts b/lodash/lodash.d.ts
index c3084a3e6..a87952679 100644
--- a/lodash/lodash.d.ts
+++ b/lodash/lodash.d.ts
@@ -3251,8 +3251,8 @@ declare module _ {
 		* @see _.forIn
 		**/
 		forIn<T extends {}>(
-			callback?: ObjectIterator<T, void>,
-			thisArg?: any): Dictionary<T>;
+			callback: ObjectIterator<T, void>,
+			thisArg?: any): _.LoDashObjectWrapper<T>;
 	}
 
 	//_.forInRight
@@ -3276,8 +3276,8 @@ declare module _ {
 		* @see _.forInRight
 		**/
 		forInRight<T extends {}>(
-			callback?: ObjectIterator<T, void>,
-			thisArg?: any): Dictionary<T>;
+			callback: ObjectIterator<T, void>,
+			thisArg?: any): _.LoDashObjectWrapper<T>;
 	}
 
 	//_.forOwn
@@ -3297,6 +3297,15 @@ declare module _ {
 			thisArg?: any): Dictionary<T>;
 	}
 
+	interface LoDashObjectWrapper {
+		/**
+		* @see _.forOwn
+		**/
+		forOwn<T extends {}>(
+			callback: ObjectIterator<T, void>,
+			thisArg?: any): _.LoDashObjectWrapper<T>;
+	}
+
 	//_.forOwnRight
 	interface LoDashStatic {
 		/**
@@ -3313,6 +3322,15 @@ declare module _ {
 			thisArg?: any): Dictionary<T>;
 	}
 
+	interface LoDashObjectWrapper {
+		/**
+		* @see _.forOwnRight
+		**/
+		forOwnRight<T extends {}>(
+			callback: ObjectIterator<T, void>,
+			thisArg?: any): _.LoDashObjectWrapper<T>;
+	}
+
 	//_.functions
 	interface LoDashStatic {
 		/**