diff --git a/src/AutoPilotPlugins/PX4/PX4TuningComponent.cc b/src/AutoPilotPlugins/PX4/PX4TuningComponent.cc
index 36a2a60d95117d1207c0d376214d35f25b034d7e..07eab3d073cdb2681f5a1a3fe4b3fd4c993ffd66 100644
--- a/src/AutoPilotPlugins/PX4/PX4TuningComponent.cc
+++ b/src/AutoPilotPlugins/PX4/PX4TuningComponent.cc
@@ -96,8 +96,9 @@ QString PX4TuningComponent::prerequisiteSetup(void) const
         if (!plugin->airframeComponent()->setupComplete()) {
             return plugin->airframeComponent()->name();
         }
+    } else {
+        qWarning() << "Internal error: plugin cast failed";
     }
 
-    qWarning() << "Internal error: plugin cast failed";
     return QString();
 }