diff --git a/syslinux-menu.inc b/syslinux-menu.inc
index 593cf22..96e2f9a 100644
--- a/syslinux-menu.inc
+++ b/syslinux-menu.inc
@@ -31,7 +31,7 @@ function update_syslinux_menu()
         versions["$version"]=1
         missing=""
         for f in "${files[@]}"; do
-            if [ ! -e "$mnt"/"$imagepath"/"$f""$version" ]; then
+            if [ ! -e "$mnt""$imagepath"/"$f""$version" ]; then
                 missing="1"
             fi
         done
@@ -49,8 +49,8 @@ _EOL_
 
     # find expired
     for f in "${files[@]}"; do
-        for i in "$mnt"/"$imagepath"/"$f"*; do
-            version="$(basename "$i"|cut -d_ -f2-)"
+        for i in "$mnt""$imagepath"/"$f"*; do
+            version="$(basename "$i"|cut -d. -f2-)"
             if [ -z "${versions[$version]}" ]; then
                 rm -f $i
             fi