diff --git a/test-module/test-addon.ts b/test-module/test-addon.ts
new file mode 100644
index 000000000..14c5ba0d6
--- /dev/null
+++ b/test-module/test-addon.ts
@@ -0,0 +1,5 @@
+/// <reference path="test-module.d.ts" />
+
+declare module 'test-addon' {
+	export function addon(): Such;
+}
diff --git a/test-module/test-module.d.ts b/test-module/test-module.d.ts
index e73a9981c..4ec2bdda4 100644
--- a/test-module/test-module.d.ts
+++ b/test-module/test-module.d.ts
@@ -1,6 +1,6 @@
+interface Such {
+	amaze(): void;
+}
 declare module 'test-module' {
-    interface Such {
-        amaze(): void;
-    }
     export function wow(): Such;
 }