diff --git a/gitlab/install.sh b/gitlab/install.sh
index 09cf8e6d492ae3741e37a50f83a7b40278b9d7e8..6b5e27ce8e334475552a00d47d11e42af9ab27a9 100755
--- a/gitlab/install.sh
+++ b/gitlab/install.sh
@@ -3,7 +3,7 @@
 
 # Installation script for our build tools
 
-if [ "${#}" -ne 1 ]; then
+if [ "${#}" -eq 0 ]; then
   echo "usage: ${0} <ci-support-directory> [<branch>]"
   echo "example: ${0} _ci"
   echo "example: ${0} _ci staging"