diff --git a/wasm.ts b/wasm.ts
index 3018dc8..3ae4de7 100644
--- a/wasm.ts
+++ b/wasm.ts
@@ -30,7 +30,7 @@ class Wasm implements Nostr {
   }
 }
 
-const i = new Wasm()
+const i: Wasm = new Wasm()
 export const generateSecretKey = i.generateSecretKey
 export const getPublicKey = i.getPublicKey
 export const finalizeEvent = i.finalizeEvent