diff --git a/.github/workflows/humble-rhel-binary-build.yml b/.github/workflows/humble-rhel-binary-build.yml
index 6bf5a4a296..efb1aa7d9e 100644
--- a/.github/workflows/humble-rhel-binary-build.yml
+++ b/.github/workflows/humble-rhel-binary-build.yml
@@ -26,6 +26,7 @@ jobs:
       - name: Build and test
         run: |
           source /opt/ros/${{ env.ROS_DISTRO }}/setup.bash
+          source /opt/ros2_ws/install/setup.bash
           colcon build --packages-skip rqt_joint_trajectory_controller
           colcon test --packages-skip rqt_joint_trajectory_controller
           colcon test-result --verbose