diff --git a/docker/scripts/test.sh b/docker/scripts/test.sh
index 478c460..620cd91 100755
--- a/docker/scripts/test.sh
+++ b/docker/scripts/test.sh
@@ -20,7 +20,7 @@ docker run \
   sleep infinity
 
 # Wait until the desktop environment test container is running before proceeding
-timeout 10 until docker inspect $DESKTOP_ENVIRONMENT_CONTAINER_NAME | grep Status | grep -m 1 running >/dev/null; do sleep 1; done
+timeout 10 $(until docker inspect $DESKTOP_ENVIRONMENT_CONTAINER_NAME | grep Status | grep -m 1 running >/dev/null; do sleep 1; done)
 
 # Start the vnc server inside the desktop environment test container
 $REPO_ROOT/docker/scripts/exec.sh /home/$DESKTOP_ENVIRONMENT_USER/.config/scripts/startup.sh