diff --git a/lodash/lodash-tests.ts b/lodash/lodash-tests.ts
index 5b9add244..345c0d787 100644
--- a/lodash/lodash-tests.ts
+++ b/lodash/lodash-tests.ts
@@ -1665,8 +1665,15 @@ interface TestPickFn {
 }
 
 // _.set
-result = <{ a: { b: { c: number; }}[]}>_.set({ 'a': [{ 'b': { 'c': 3 } }] }, 'a[0].b.c', 4);
-result = <{ a: { b: { c: number; }}[]}>_({ 'a': [{ 'b': { 'c': 3 } }] }).set('a[0].b.c', 4).value();
+{
+    let testSetObject: TResult;
+    let testSetPath: {toSting(): string};
+    let result: TResult;
+    result = _.set(testSetObject, testSetPath, any);
+    result = _.set(testSetObject, [testSetPath], any);
+    result = _(testSetObject).set(testSetPath, any).value();
+    result = _(testSetObject).set([testSetPath], any).value();
+}
 
 result = <number[]>_.transform([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], function (r: number[], num: number) {
     num *= num;
diff --git a/lodash/lodash.d.ts b/lodash/lodash.d.ts
index b6c95710b..de6eeb8e3 100644
--- a/lodash/lodash.d.ts
+++ b/lodash/lodash.d.ts
@@ -7543,23 +7543,28 @@ declare module _ {
     //_.set
     interface LoDashStatic {
         /**
-         * Sets the property value of path on object. If a portion of path does not exist it is created.
+         * Sets the property value of path on object. If a portion of path does not exist it’s created.
+         *
          * @param object The object to augment.
          * @param path The path of the property to set.
          * @param value The value to set.
          * @return Returns object.
-         **/
-        set<T>(object: T,
-            path: string|string[],
-            value: any): T;
+         */
+        set<T>(
+            object: T,
+            path: StringRepresentable|StringRepresentable[],
+            value: any
+        ): T;
     }
 
     interface LoDashObjectWrapper<T> {
         /**
          * @see _.set
-         **/
-        set(path: string|string[],
-            value: any): LoDashObjectWrapper<T>;
+         */
+        set(
+            path: StringRepresentable|StringRepresentable[],
+            value: any
+        ): LoDashObjectWrapper<T>;
     }
 
     //_.transform
@@ -8514,6 +8519,10 @@ declare module _ {
     interface Dictionary<T> {
         [index: string]: T;
     }
+
+    interface StringRepresentable {
+        toString(): string;
+    }
 }
 
 declare module "lodash" {