diff --git a/confd/templates/spamfilter.tmpl b/confd/templates/spamfilter.tmpl
index 4320f65..89b0b14 100755
--- a/confd/templates/spamfilter.tmpl
+++ b/confd/templates/spamfilter.tmpl
@@ -3,4 +3,4 @@
 # pass mail through spam filter Bogofilter
 # arguments are passed on to sendmail
 
-/usr/bin/bogofilter -d /vmail/bogofilter -p {{ with getv "/bogofilter/ham/cutoff" }}--ham-cutoff {{.}}{{ end }} {{ with getv "/bogofilter/spam/cutoff" }}--spam-cutoff {{.}}{{ end }} | /usr/sbin/sendmail "$@"
+/usr/bin/bogofilter -d /vmail/bogofilter -p {{ with getv "/bogofilter/ham/cutoff" }}--ham-cutoff '{{.}}'{{ end }} {{ with getv "/bogofilter/spam/cutoff" }}--spam-cutoff '{{.}}'{{ end }} | /usr/sbin/sendmail "$@"