diff --git a/src/tests/GUIlogic.cpp b/src/tests/GUIlogic.cpp
index 222cc4e..1738d87 100644
--- a/src/tests/GUIlogic.cpp
+++ b/src/tests/GUIlogic.cpp
@@ -1,4 +1,4 @@
-#include "GUI/MainWindow.h"
+#include "GUI/mainwindow.h"
 #include <iostream>
 
 void testMainWindowShow() {