diff --git a/CMakeLists.txt b/CMakeLists.txt
index f4ab69e..5066d80 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -52,6 +52,7 @@ add_library(RoboidControl STATIC
     "Switch.cpp"
     "Thing.cpp"
     "Quadcopter.cpp"
+    "Messages.cpp"
 )
 
 enable_testing()