diff --git a/apps/vyper/src/app/utils/remix-client.tsx b/apps/vyper/src/app/utils/remix-client.tsx
index 4f0c45a09b..ae4b0cab94 100644
--- a/apps/vyper/src/app/utils/remix-client.tsx
+++ b/apps/vyper/src/app/utils/remix-client.tsx
@@ -42,7 +42,7 @@ export class RemixClient extends PluginClient {
     this.eventEmitter.emit('resetCompilerState', {})
   }
 
-  async vyperCompileCustomAction(action: customAction) {
+  async vyperCompileCustomAction(action?: customAction) {
     //read selected contract from file explorer and create contract type
     const contract = await this.getContract()
     //compile contract