diff --git a/types/react-router-hash-link/index.d.ts b/types/react-router-hash-link/index.d.ts
index 545a31cc71..9480f1aef0 100644
--- a/types/react-router-hash-link/index.d.ts
+++ b/types/react-router-hash-link/index.d.ts
@@ -2,6 +2,7 @@
 // Project: https://github.com/rafrex/react-router-hash-link (Does not have to be to GitHub, but prefer linking to a source code repository rather than to a project website.)
 // Definitions by: Sam Baeck <https://github.com/zoompie>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.8
 
 import * as React from 'react';
 import { LinkProps, NavLinkProps } from 'react-router-dom';
diff --git a/types/react-router-hash-link/react-router-hash-link-tests.ts b/types/react-router-hash-link/react-router-hash-link-tests.tsx
similarity index 72%
rename from types/react-router-hash-link/react-router-hash-link-tests.ts
rename to types/react-router-hash-link/react-router-hash-link-tests.tsx
index 7825bbf6c4..4c64a1b5c3 100644
--- a/types/react-router-hash-link/react-router-hash-link-tests.ts
+++ b/types/react-router-hash-link/react-router-hash-link-tests.tsx
@@ -9,15 +9,16 @@ interface Props extends NavHashLinkProps {
 
 const getIsActive = (extraProp: string) => (match: match<any>, location: H.Location) => !!extraProp;
 
-export default function (props: Props) {
+export default function(props: Props) {
   const {extraProp, ...rest} = props;
   const isActive = getIsActive(extraProp);
   return (
     <NavHashLink {...rest} isActive={isActive} />
-);
+  );
 }
 
-<HashLink to="url" />
+<HashLink to="url" />;
 
-const acceptRef = (node: HTMLAnchorElement | null) => {};
-<HashLink to="/url" replace={true} innerRef={acceptRef} />;
\ No newline at end of file
+const acceptRef = (node: HTMLAnchorElement | null) => {
+};
+<HashLink to="/url" replace={true} innerRef={acceptRef} />;
diff --git a/types/react-router-hash-link/tsconfig.json b/types/react-router-hash-link/tsconfig.json
index 892d3999e3..fc830ac41d 100644
--- a/types/react-router-hash-link/tsconfig.json
+++ b/types/react-router-hash-link/tsconfig.json
@@ -19,6 +19,6 @@
     },
     "files": [
         "index.d.ts",
-        "react-router-hash-link-tests.ts"
+        "react-router-hash-link-tests.tsx"
     ]
 }