diff --git a/CMakeLists.txt b/CMakeLists.txt
index 095c032..4e04690 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,4 +22,7 @@ if(NOT TARGET map_msgs)
 endif()
 if(NOT TARGET visualization_msgs)
     add_subdirectory(visualization_msgs)
+endif()
+if(NOT TARGET robot_protocol_msgs)
+    add_subdirectory(robot_protocol_msgs)
 endif()
\ No newline at end of file