diff --git a/test/rostest_px4_run.sh b/test/rostest_px4_run.sh
index 9f7a4f8141..517d28a599 100755
--- a/test/rostest_px4_run.sh
+++ b/test/rostest_px4_run.sh
@@ -6,6 +6,9 @@ PX4_SRC_DIR=${DIR}/..
 source /opt/ros/${ROS_DISTRO:-kinetic}/setup.bash
 source ${PX4_SRC_DIR}/Tools/setup_gazebo.bash ${PX4_SRC_DIR} ${PX4_SRC_DIR}/build/px4_sitl_default
 
+# Make sure that the PYTHONPATH points to Python 2 packages dir
+export PYTHONPATH=$PYTHONPATH:/usr/lib/python2.7/dist-packages
+
 export ROS_PACKAGE_PATH=$ROS_PACKAGE_PATH:${PX4_SRC_DIR}:${PX4_SRC_DIR}/Tools/sitl_gazebo
 
 export ROS_LOG_DIR="$HOME/.ros/ros_logs"