diff --git a/react/react-addons-tests.ts b/react/react-addons-tests.ts
index 4d8ed3212..72f7a4f4e 100644
--- a/react/react-addons-tests.ts
+++ b/react/react-addons-tests.ts
@@ -331,11 +331,12 @@ var ContextTypesSpecification: React.ComponentSpec<any, any> = {
 // React.Children
 // --------------------------------------------------------------------------
 
-var childMap: { [key: string]: number } =
+var mappedChildrenArray: number[] =
     React.Children.map<number>(children, (child) => { return 42; });
 React.Children.forEach(children, (child) => {});
 var nChildren: number = React.Children.count(children);
 var onlyChild = React.Children.only([null, [[["Hallo"], true]], false]);
+var childrenToArray: React.ReactChild[] = React.Children.toArray(children);
 
 //
 // Example from http://facebook.github.io/react/
diff --git a/react/react-global-tests.ts b/react/react-global-tests.ts
index 0b20e4650..bf3f68fa4 100644
--- a/react/react-global-tests.ts
+++ b/react/react-global-tests.ts
@@ -328,11 +328,12 @@ var ContextTypesSpecification: React.ComponentSpec<any, any> = {
 // React.Children
 // --------------------------------------------------------------------------
 
-var childMap: { [key: string]: number } =
+var mappedChildrenArray: number[] =
     React.Children.map<number>(children, (child) => { return 42; });
 React.Children.forEach(children, (child) => {});
 var nChildren: number = React.Children.count(children);
 var onlyChild = React.Children.only([null, [[["Hallo"], true]], false]);
+var childrenToArray: React.ReactChild[] = React.Children.toArray(children);
 
 //
 // Example from http://facebook.github.io/react/
diff --git a/react/react-tests.ts b/react/react-tests.ts
index 053a17eb9..f0c1060bd 100644
--- a/react/react-tests.ts
+++ b/react/react-tests.ts
@@ -329,11 +329,12 @@ var ContextTypesSpecification: React.ComponentSpec<any, any> = {
 // React.Children
 // --------------------------------------------------------------------------
 
-var childMap: { [key: string]: number } =
+var mappedChildrenArray: number[] =
     React.Children.map<number>(children, (child) => { return 42; });
 React.Children.forEach(children, (child) => {});
 var nChildren: number = React.Children.count(children);
 var onlyChild = React.Children.only([null, [[["Hallo"], true]], false]);
+var childrenToArray: React.ReactChild[] = React.Children.toArray(children);
 
 //
 // Example from http://facebook.github.io/react/
diff --git a/react/react.d.ts b/react/react.d.ts
index b09602838..975d228cc 100644
--- a/react/react.d.ts
+++ b/react/react.d.ts
@@ -747,10 +747,11 @@ declare namespace __React {
     // ----------------------------------------------------------------------
 
     interface ReactChildren {
-        map<T>(children: ReactNode, fn: (child: ReactChild, index: number) => T): { [key:string]: T };
+        map<T>(children: ReactNode, fn: (child: ReactChild, index: number) => T): T[];
         forEach(children: ReactNode, fn: (child: ReactChild, index: number) => any): void;
         count(children: ReactNode): number;
         only(children: ReactNode): ReactChild;
+        toArray(children: ReactNode): ReactChild[];
     }
 
     //