diff --git a/osal/rtems/CMakeLists.txt b/osal/rtems/CMakeLists.txt
index ba11a6b5a..cd266125f 100644
--- a/osal/rtems/CMakeLists.txt
+++ b/osal/rtems/CMakeLists.txt
@@ -8,7 +8,7 @@ target_sources(${LIB_FSFW_NAME}
 		PeriodicTask.cpp
 		Mutex.cpp
 		MutexFactory.cpp
-		PollingTask.cpp
+		FixedTimeslotTask.cpp
 		QueueFactory.cpp
 		RtemsBasic.cpp
 		RTEMSTaskBase.cpp
diff --git a/osal/rtems/FixedTimeslotTask.cpp b/osal/rtems/FixedTimeslotTask.cpp
index d31011626..8b9354254 100644
--- a/osal/rtems/FixedTimeslotTask.cpp
+++ b/osal/rtems/FixedTimeslotTask.cpp
@@ -1,4 +1,4 @@
-#include <fsfw/osal/rtems/FixedTimeslotTask.h>
+#include "FixedTimeslotTask.h"
 #include "RtemsBasic.h"
 
 #include "../../tasks/FixedSequenceSlot.h"