diff --git a/cmake/dependencies.cmake b/cmake/dependencies.cmake
index e011996fd1cce8a00671076b9eae967a0458cf6b..27364e888ef6b87ce7fafb589120f6ef41ea96e8 100644
--- a/cmake/dependencies.cmake
+++ b/cmake/dependencies.cmake
@@ -25,7 +25,7 @@ set(OBSW_INCLUDE_DIRS
 )
 
 set(MAIN_COMPUTER
-    src/Main/Data/ABKTrajectorySet.cpp
+    src/Main/Data/ABKTrajectorySet.cxx
     src/Main/PersistentVars/PersistentVars.cpp
     src/Main/HIL/HIL.cpp
     src/Main/Sensors/Sensors.cpp
diff --git a/src/Main/Data/ABKTrajectorySet.cpp b/src/Main/Data/ABKTrajectorySet.cxx
similarity index 100%
rename from src/Main/Data/ABKTrajectorySet.cpp
rename to src/Main/Data/ABKTrajectorySet.cxx