diff --git a/lodash/lodash-tests.ts b/lodash/lodash-tests.ts
index 3afc49041..35a17a760 100644
--- a/lodash/lodash-tests.ts
+++ b/lodash/lodash-tests.ts
@@ -506,23 +506,38 @@ module TestLastIndexOf {
     let array: TResult[];
     let list: _.List<TResult>;
     let value: TResult;
-    let result: number;
 
-    result = _.lastIndexOf<TResult>(array, value);
-    result = _.lastIndexOf<TResult>(array, value, true);
-    result = _.lastIndexOf<TResult>(array, value, 42);
+    {
+        let result: number;
 
-    result = _.lastIndexOf<TResult>(list, value);
-    result = _.lastIndexOf<TResult>(list, value, true);
-    result = _.lastIndexOf<TResult>(list, value, 42);
+        result = _.lastIndexOf<TResult>(array, value);
+        result = _.lastIndexOf<TResult>(array, value, true);
+        result = _.lastIndexOf<TResult>(array, value, 42);
 
-    result = _(array).lastIndexOf(value);
-    result = _(array).lastIndexOf(value, true);
-    result = _(array).lastIndexOf(value, 42);
+        result = _.lastIndexOf<TResult>(list, value);
+        result = _.lastIndexOf<TResult>(list, value, true);
+        result = _.lastIndexOf<TResult>(list, value, 42);
 
-    result = _(list).lastIndexOf<TResult>(value);
-    result = _(list).lastIndexOf<TResult>(value, true);
-    result = _(list).lastIndexOf<TResult>(value, 42);
+        result = _(array).lastIndexOf(value);
+        result = _(array).lastIndexOf(value, true);
+        result = _(array).lastIndexOf(value, 42);
+
+        result = _(list).lastIndexOf<TResult>(value);
+        result = _(list).lastIndexOf<TResult>(value, true);
+        result = _(list).lastIndexOf<TResult>(value, 42);
+    }
+
+    {
+        let result: _.LoDashExplicitWrapper<number>;
+
+        result = _(array).chain().lastIndexOf(value);
+        result = _(array).chain().lastIndexOf(value, true);
+        result = _(array).chain().lastIndexOf(value, 42);
+
+        result = _(list).chain().lastIndexOf<TResult>(value);
+        result = _(list).chain().lastIndexOf<TResult>(value, true);
+        result = _(list).chain().lastIndexOf<TResult>(value, 42);
+    }
 }
 
 // _.object
diff --git a/lodash/lodash.d.ts b/lodash/lodash.d.ts
index d143f4e65..9f11aad27 100644
--- a/lodash/lodash.d.ts
+++ b/lodash/lodash.d.ts
@@ -1045,6 +1045,26 @@ declare module _ {
         ): number;
     }
 
+    interface LoDashExplicitArrayWrapper<T> {
+        /**
+         * @see _.lastIndexOf
+         */
+        lastIndexOf(
+            value: T,
+            fromIndex?: boolean|number
+        ): LoDashExplicitWrapper<number>;
+    }
+
+    interface LoDashExplicitObjectWrapper<T> {
+        /**
+         * @see _.lastIndexOf
+         */
+        lastIndexOf<TResult>(
+            value: TResult,
+            fromIndex?: boolean|number
+        ): LoDashExplicitWrapper<number>;
+    }
+
     //_.object
     interface LoDashStatic {
         /**