diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 33154052c..234e063c4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -173,7 +173,8 @@ jobs:
         env:
           QT_QPA_PLATFORM: offscreen
         run: |
-          source /opt/ros/humble/setup.bash && ros2 run turtlesim turtlesim_node & && ros2 run examples_rclcpp_minimal_service service_main &
+          source /opt/ros/humble/setup.bash && ros2 run turtlesim turtlesim_node &
+          source /opt/ros/humble/setup.bash && ros2 run examples_rclcpp_minimal_service service_main &
           cargo run --example rust-ros2-dataflow --features="ros2-examples"
       - uses: actions/setup-python@v2
         if: runner.os != 'Windows'