diff --git a/docker-runner.sh b/docker-runner.sh
index 8f076e3dc..8c8fec03e 100755
--- a/docker-runner.sh
+++ b/docker-runner.sh
@@ -1,4 +1,4 @@
 #!/bin/sh
 
-scriptdir="$(cd "${0%/*}"; pwd)"
-${scriptdir}/tools/docker/run.sh "$@"
+scriptdir="$(cd "${0%/*}" || exit 1; pwd)"
+"${scriptdir}/tools/docker/run.sh" "$@"