diff --git a/types/dygraphs/index.d.ts b/types/dygraphs/index.d.ts
index 6d2cedf9d2..fb6f4b997d 100644
--- a/types/dygraphs/index.d.ts
+++ b/types/dygraphs/index.d.ts
@@ -1266,5 +1266,5 @@ declare class Dygraph {
 }
 
 declare module "dygraphs" {
-    export = Dygraph;
-}
\ No newline at end of file
+    export default Dygraph;
+}