diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0317f9fb..01b68347 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,7 +16,10 @@ ENDIF()
 
 MESSAGE(STATUS "CATKIN_BUILD=${CATKIN_BUILD}")
 MESSAGE(STATUS "COLCON_BUILD=${COLCON_BUILD}")
-SET(ROS_BUILD CATKIN_BUILD OR COLCON_BUILD)
+SET(ROS_BUILD FALSE)
+IF(CATKIN_BUILD OR COLCON_BUILD)
+  SET(ROS_BUILD TRUE)
+ENDIF()
 
 IF(NOT ROS_BUILD)
    #Standalone build