diff --git a/CMakeLists.txt b/CMakeLists.txt
index fad36dd..a677319 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,7 +9,7 @@ qt_standard_project_setup()
 
 
 qt_add_executable(${AppExec}
-    src/main.cpp
+    src/gui/main.cpp
 )
 
 target_link_libraries(${AppExec} PRIVATE Qt6::Core Qt6::Widgets)
diff --git a/src/gui/main.cpp b/src/gui/main.cpp
new file mode 100644
index 0000000..9518147
--- /dev/null
+++ b/src/gui/main.cpp
@@ -0,0 +1,12 @@
+#include <QApplication>
+#include <QPushButton>
+
+int main(int argc, char **argv)
+{
+     QApplication app (argc, argv);
+
+     QPushButton button ("Hello world !");
+     button.show();
+
+     return app.exec();
+}
diff --git a/src/main.cpp b/src/main.cpp
deleted file mode 100644
index d05a7be..0000000
--- a/src/main.cpp
+++ /dev/null
@@ -1,12 +0,0 @@
-#include <QApplication>
-#include <QPushButton>
-
-int main()
-{
-    QApplication app (argc, argv);
-
-    QPushButton button ("Hello world!");
-    button.show();
-
-    return app.exec();
-}