diff --git a/get_modules.sh b/get_modules.sh
index cb81be324f7d22220c5d59c8eb49a9704433b0a4..46735d422ec45021afd878a8d317a2f27632dfdf 100755
--- a/get_modules.sh
+++ b/get_modules.sh
@@ -27,7 +27,7 @@ else
     for dir in $MODULEBASE
     do
       # Exclude following directories
-      if [[ ($(basename $dir) == "all") ]]; then
+      if [ $(basename $dir) = "all" ]; then
         continue
       fi
       # In case that it's directory