diff --git a/docker/build-tools/prow-entrypoint.sh b/docker/build-tools/prow-entrypoint.sh
index 65a90a40fb..8e19b92bd0 100755
--- a/docker/build-tools/prow-entrypoint.sh
+++ b/docker/build-tools/prow-entrypoint.sh
@@ -50,6 +50,8 @@ EXIT_VALUE=$?
 set -x
 
 # We cleanup in the trap as well, but just in case try to clean up here as well
+# shellcheck disable=SC2046
+docker kill $(docker ps -q) || true
 docker system prune -af || true
 
 exit "${EXIT_VALUE}"