diff --git a/init.sh b/init.sh
index 4df77eb..3610192 100755
--- a/init.sh
+++ b/init.sh
@@ -50,7 +50,7 @@ create_dir(){
 }
 
 #Stop script if syslinux is not installed
-if [ ! -f $SYSLINUX_EXE ]
+if [[  $SYSLINUX_EXE == "" ]]
 then
     echo "Syslinux not found, script can't continue…"
     exit 1