diff --git a/source/RobotAPI/components/units/PlatformUnitObserver.h b/source/RobotAPI/components/units/PlatformUnitObserver.h
index 5589e366c3d49e004e83fce534fe842b0c7117b4..9b4709a0d0fe816e06db3412780dfac819310536 100644
--- a/source/RobotAPI/components/units/PlatformUnitObserver.h
+++ b/source/RobotAPI/components/units/PlatformUnitObserver.h
@@ -20,8 +20,8 @@
 *             GNU General Public License
 */
 
-#ifndef _ARMARX_CORE_KINEMATIC_UNIT_OBSERVER_H
-#define _ARMARX_CORE_KINEMATIC_UNIT_OBSERVER_H
+#ifndef _ARMARX_CORE_PLATFORM_UNIT_OBSERVER_H
+#define _ARMARX_CORE_PLATFORM_UNIT_OBSERVER_H
 
 #include <ArmarXCore/core/system/ImportExport.h>
 #include <ArmarXCore/core/Component.h>
diff --git a/source/RobotAPI/gui-plugins/HapticUnitPlugin/MatrixDatafieldDisplayWidget.h b/source/RobotAPI/gui-plugins/HapticUnitPlugin/MatrixDatafieldDisplayWidget.h
index 76c0d573ccc91d4d850e96476ec4604b05fb1d31..d24da08e71f8bf8eb529bb2052502e091246accc 100644
--- a/source/RobotAPI/gui-plugins/HapticUnitPlugin/MatrixDatafieldDisplayWidget.h
+++ b/source/RobotAPI/gui-plugins/HapticUnitPlugin/MatrixDatafieldDisplayWidget.h
@@ -1,5 +1,5 @@
-#ifndef MATRIXDISPLAYWIDGET_H
-#define MATRIXDISPLAYWIDGET_H
+#ifndef MATRIXDATAFIELDDISPLAYWIDGET_H
+#define MATRIXDATAFIELDDISPLAYWIDGET_H
 
 #include <QWidget>
 #include <QMutex>