diff --git a/source/RobotAPI/libraries/skills_gui/gui_utils.cpp b/source/RobotAPI/libraries/skills_gui/gui_utils.cpp
index 5a2036bbd9acb4804ad23a52d3594aca1946f634..9c4066f1b9d5d183fc652d4a8d78651f07075048 100644
--- a/source/RobotAPI/libraries/skills_gui/gui_utils.cpp
+++ b/source/RobotAPI/libraries/skills_gui/gui_utils.cpp
@@ -1,7 +1,5 @@
 #include "gui_utils.h"
 
-#include <mutex>
-
 #include <QLayout>
 #include <QLayoutItem>
 #include <QSplitter>
diff --git a/source/RobotAPI/libraries/skills_gui/gui_utils.h b/source/RobotAPI/libraries/skills_gui/gui_utils.h
index 7524d7fe829e450d5c099e8aac7f038d448a75e3..cfa4318c85bdef2476f26707ab188fb7c1f3b621 100644
--- a/source/RobotAPI/libraries/skills_gui/gui_utils.h
+++ b/source/RobotAPI/libraries/skills_gui/gui_utils.h
@@ -9,6 +9,8 @@
 #include <QTreeWidgetItem>
 #include <QWidget>
 
+#include <mutex>
+
 #include <ArmarXCore/core/exceptions/local/ExpressionException.h>
 
 namespace armarx::gui