diff --git a/src/sha1.d.ts b/src/sha1.d.ts
index 1d05d0b..01708c0 100644
--- a/src/sha1.d.ts
+++ b/src/sha1.d.ts
@@ -8,4 +8,4 @@ declare namespace sha1 {
     export function arrayBuffer(): ArrayBuffer;
 }
 
-export default sha1;
\ No newline at end of file
+export=sha1;
\ No newline at end of file