diff --git a/source/RobotAPI/statecharts/MovePlatform/PlatformContext.h b/source/RobotAPI/statecharts/MovePlatform/PlatformContext.h
index aa69d53dace4e5304ec530efebe309486eba7668..f966ae28646e38dfc32293e0003cd60eab6ce61c 100644
--- a/source/RobotAPI/statecharts/MovePlatform/PlatformContext.h
+++ b/source/RobotAPI/statecharts/MovePlatform/PlatformContext.h
@@ -30,6 +30,7 @@
 #include <Core/statechart/StatechartContext.h>
 #include <Core/robotstate/remote/RemoteRobot.h>
 #include <Core/interface/units/PlatformUnitInterface.h>
+#include <Core/interface/observers/PlatformUnitObserverInterface.h>
 
 #include <Core/units/PlatformUnitObserver.h>
 //#include <VirtualRobot/VirtualRobot.h>