diff --git a/bin/snap-sync b/bin/snap-sync
index 1fa9d65..9077ed0 100755
--- a/bin/snap-sync
+++ b/bin/snap-sync
@@ -70,7 +70,7 @@ trapkill() {
 }
 
 [[ $EUID -ne 0 ]] && die "Script must be run as root." 
-[[ -f $SNAPPER_CONFIG ]] || die "$SNAPPER_CONFIG does not exist."
+! [[ -f $SNAPPER_CONFIG ]] && die "$SNAPPER_CONFIG does not exist."
 
 trap 'traperror ${LINENO} $? "$BASH_COMMAND" $BASH_LINENO "${FUNCNAME[@]}"' ERR
 trap trapkill SIGTERM SIGINT