diff --git a/Software/PC_Application/appwindow.h b/Software/PC_Application/appwindow.h
index 59343d5..d357b33 100644
--- a/Software/PC_Application/appwindow.h
+++ b/Software/PC_Application/appwindow.h
@@ -103,4 +103,4 @@ private:
     QString appGitHash;
 };
 
-#endif // VNA_H
+#endif // APPWINDOW_H