diff --git a/plugins/network/transmission_ratios/tr_ratios b/plugins/network/transmission_ratios/tr_ratios
index 343b1b46..316b6088 100755
--- a/plugins/network/transmission_ratios/tr_ratios
+++ b/plugins/network/transmission_ratios/tr_ratios
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 user=''
 pass=''
@@ -8,9 +8,8 @@ if [ "$1" = "config" ]; then
 	echo "graph_vlabel Seed ratio %"
 	echo "graph_category torrent"
 	echo "graph_info This plugin shows your transmission ratios per torrent"
-	transmission-remote -n $user:$pass -l | gawk -f /usr/share/munin/plugins/tr_ratios_labels | iconv -f utf-8 -t ascii//translit
+	transmission-remote -n "$user:$pass" -l | gawk -f /usr/share/munin/plugins/tr_ratios_labels | iconv -f utf-8 -t ascii//translit
         exit 0
 fi
 
-transmission-remote -n $user:$pass -l | gawk -f /usr/share/munin/plugins/tr_ratios_data
-
+transmission-remote -n "$user:$pass" -l | gawk -f /usr/share/munin/plugins/tr_ratios_data