diff --git a/dockerfile/jenkins-base/prebuild.sh b/dockerfile/jenkins-base/prebuild.sh
index 20e9506..1575c1b 100644
--- a/dockerfile/jenkins-base/prebuild.sh
+++ b/dockerfile/jenkins-base/prebuild.sh
@@ -1 +1,2 @@
-curl https://dl.min.io/client/mc/release/linux-amd64/mc -o mc && chmod +x mc
+curl https://dl.min.io/client/mc/release/linux-amd64/mc -o mc
+chmod -v +x mc