diff --git a/build_ohana.sh b/build_ohana.sh
index b631fa53a44e4cc13d316e45bc9d19e28772ebf4..72ecf91c82c7c84936a77de9b7b3031da88b10cb 100755
--- a/build_ohana.sh
+++ b/build_ohana.sh
@@ -2,7 +2,7 @@ env_option=${1:-2}
 build_option=${2:-1}
 PL_PATH=${3:-"/var/www/html/web"}
 DRUPAL_PATH=${4:-/var/www/html}
-os_option=${5:"mac"}
+os_option=${5:-"mac"}
 
 if [[ -L "$PL_PATH/uw_wcms_ohana" ]]; then
   echo ""