diff --git a/Fit/RootAdapter/RootScalarFunction.h b/Fit/RootAdapter/RootScalarFunction.h
index 390644f7afb5e717d5f5f87f4344c25c61f07a1a..38e371a253904217aca5cb5ee2644aa2f56dd1d9 100644
--- a/Fit/RootAdapter/RootScalarFunction.h
+++ b/Fit/RootAdapter/RootScalarFunction.h
@@ -18,11 +18,11 @@
 #include "Fit/Kernel/KernelTypes.h"
 
 #ifdef _WIN32
-#include "Math/Functor.h"
+#include <Math/Functor.h>
 #else
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-#include "Math/Functor.h"
+#include <Math/Functor.h>
 #pragma GCC diagnostic pop
 #endif
 
diff --git a/GUI/coregui/mainwindow/mainwindow.cpp b/GUI/coregui/mainwindow/mainwindow.cpp
index a16839062114a8ef7c3c4f3591e8ba18e4dc5f4a..718888e129d0ce8a4088dbf7df74f5a941ec879e 100644
--- a/GUI/coregui/mainwindow/mainwindow.cpp
+++ b/GUI/coregui/mainwindow/mainwindow.cpp
@@ -29,9 +29,9 @@
 #include "GUI/coregui/mainwindow/tooltipdatabase.h"
 #include "GUI/coregui/utils/GUIHelpers.h"
 #include "GUI/coregui/utils/hostosinfo.h"
-#include "fancytabwidget.h"
+#include <fancytabwidget.h>
 #include <progressbar.h>
-#include "stylehelper.h"
+#include <stylehelper.h>
 #include <QAction>
 #include <QApplication>
 #include <QCloseEvent>