diff --git a/murmur/init.sh b/murmur/init.sh
index cb75651..34c86e4 100755
--- a/murmur/init.sh
+++ b/murmur/init.sh
@@ -16,7 +16,9 @@ function optional() {
 }
 
 function replace() {
-    sed -i'' "s/;$1=.*/$1=$2/g" /etc/murmur.ini
+    sed "s/;$1=.*/$1=$2/g" /etc/murmur.ini > /tmp/murmur.ini
+    cat /tmp/murmur.ini > /etc/murmur.ini
+    rm /tmp/murmur.ini
 }
 
 function optional_replace() {