diff --git a/deb-to-kali.sh b/deb-to-kali.sh
index 4602fdd..a2758fa 100755
--- a/deb-to-kali.sh
+++ b/deb-to-kali.sh
@@ -6,7 +6,7 @@ if [ `whoami` != "root" ] ; then
 fi
 
 BASEDIR=`dirname $0`
-if ! -f ${BASEDIR}/keys/gpg/kali-repo.key ; then
+if ! test -f ${BASEDIR}/keys/gpg/kali-repo.key ; then
   echo "Couldn't find key, are you in the right place?" >&2
   exit 1
 fi