diff --git a/builder/image-ros.sh b/builder/image-ros.sh
index 1ec9454c..81f74956 100755
--- a/builder/image-ros.sh
+++ b/builder/image-ros.sh
@@ -135,6 +135,7 @@ fi
 echo_stamp "Installing CLEVER" \
 && git clone ${REPO} /home/pi/catkin_ws/src/clever \
 && cd /home/pi/catkin_ws/src/clever \
+&& echo "REF: ${REF}" \
 && git checkout ${REF} \
 && cd /home/pi/catkin_ws \
 && resolve_rosdep $(pwd) \