diff --git a/app.go b/app.go
index a5b0aa3..76ab2f2 100644
--- a/app.go
+++ b/app.go
@@ -438,7 +438,7 @@ func HandleAction(action interface{}, context *Context) (err error) {
 		return errInvalidActionSignature
 	}
 
-	if retErr, ok := reflect.ValueOf(vals[0]).Interface().(error); ok {
+	if retErr, ok := reflect.ValueOf(vals[0].Interface()).Interface().(error); ok {
 		return retErr
 	}