diff --git a/src/include/Duck.h b/src/include/Duck.h
index 4942d93d..b1f6b7f8 100644
--- a/src/include/Duck.h
+++ b/src/include/Duck.h
@@ -359,7 +359,7 @@ class Duck {
     if (err != DUCK_ERR_NONE) {
       return err;
     }
-    err = setDeviceId(deviceId.data());
+    err = setDeviceId(deviceId);
     if (err != DUCK_ERR_NONE) {
       return err;
     }