diff --git a/lodash/lodash-tests.ts b/lodash/lodash-tests.ts
index 309c64a5a..20de6f9eb 100644
--- a/lodash/lodash-tests.ts
+++ b/lodash/lodash-tests.ts
@@ -6180,9 +6180,22 @@ module TestTimes {
 }
 
 // _.uniqueId
-result = <string>_.uniqueId();
-result = <string>_.uniqueId('');
-result = <string>_('').uniqueId();
+module TestUniqueId {
+    {
+        let result: string;
+
+        result = _.uniqueId();
+        result = _.uniqueId('');
+
+        result = _('').uniqueId();
+    }
+
+    {
+        let result: _.LoDashExplicitWrapper<string>;
+
+        result = _('').chain().uniqueId();
+    }
+}
 
 result = <string>_.VERSION;
 result = <_.Support>_.support;
diff --git a/lodash/lodash.d.ts b/lodash/lodash.d.ts
index 878df08ed..c2254ef99 100644
--- a/lodash/lodash.d.ts
+++ b/lodash/lodash.d.ts
@@ -11784,6 +11784,7 @@ declare module _ {
     interface LoDashStatic {
         /**
          * Generates a unique ID. If prefix is provided the ID is appended to it.
+         *
          * @param prefix The value to prefix the ID with.
          * @return Returns the unique ID.
          */
@@ -11797,6 +11798,13 @@ declare module _ {
         uniqueId(): string;
     }
 
+    interface LoDashExplicitWrapper<T> {
+        /**
+         * @see _.uniqueId
+         */
+        uniqueId(): LoDashExplicitWrapper<string>;
+    }
+
     interface ListIterator<T, TResult> {
         (value: T, index: number, collection: List<T>): TResult;
     }