diff --git a/mail2mms.sh b/mail2mms.sh
index 3409ea9..f3d74d8 100755
--- a/mail2mms.sh
+++ b/mail2mms.sh
@@ -21,7 +21,8 @@ oldnew=0
 summary() {
   i=0
   for m in $(\ls -1r ${inbox}/new/*); do
-
+    # disable glob expansion
+    set -f
     # if there are more than 3 new messages,
     # just hint that there is more
     i=$((i + 1))
@@ -47,6 +48,8 @@ summary() {
     set -- $subject
     shift
     echo ": \"${@}\""
+    #reenable glob expansion
+    set +f
   done
 }