diff --git a/lodash/lodash-tests.ts b/lodash/lodash-tests.ts
index 18f2e8b7a..9cf789a77 100644
--- a/lodash/lodash-tests.ts
+++ b/lodash/lodash-tests.ts
@@ -1145,6 +1145,12 @@ result = <boolean>_(1).gte(2);
 result = <boolean>_([]).gte(2);
 result = <boolean>_({}).gte(2);
 
+// _.isArray
+result = <boolean>_.isArray(any);
+result = <boolean>_(1).isArray();
+result = <boolean>_<any>([]).isArray();
+result = <boolean>_({}).isArray();
+
 // _.isEmpty
 result = <boolean>_.isEmpty([1, 2, 3]);
 result = <boolean>_.isEmpty({});
@@ -1377,9 +1383,6 @@ result = <FirstSecond>_.invert({ 'first': 'moe', 'second': 'larry' });
 
 (function (...args: any[]) { return <boolean>_.isArguments(arguments); })(1, 2, 3);
 
-(function () { return <boolean>_.isArray(arguments); })();
-result = <boolean>_.isArray([1, 2, 3]);
-
 result = <boolean>_.isBoolean(null);
 
 result = <boolean>_.isDate(new Date());
diff --git a/lodash/lodash.d.ts b/lodash/lodash.d.ts
index 4a0b848c5..af33ea9b0 100644
--- a/lodash/lodash.d.ts
+++ b/lodash/lodash.d.ts
@@ -6080,6 +6080,23 @@ declare module _ {
         gte(other: any): boolean;
     }
 
+    //_.isArray
+    interface LoDashStatic {
+        /**
+         * Checks if value is classified as an Array object.
+         * @param value The value to check.
+         * @return Returns true if value is correctly classified, else false.
+         **/
+        isArray(value?: any): boolean;
+    }
+
+    interface LoDashWrapperBase<T,TWrapper> {
+        /**
+         * @see _.isArray
+         */
+        isArray(): boolean;
+    }
+
     //_.isEmpty
     interface LoDashStatic {
         /**
@@ -6857,16 +6874,6 @@ declare module _ {
         isArguments(value?: any): boolean;
     }
 
-    //_.isArray
-    interface LoDashStatic {
-        /**
-        * Checks if value is an array.
-        * @param value The value to check.
-        * @return True if the value is an array, else false.
-        **/
-        isArray(value?: any): boolean;
-    }
-
     //_.isBoolean
     interface LoDashStatic {
         /**