diff --git a/install/ysf2ysf.sh b/install/ysf2ysf.sh
index fb65163..05f28d0 100644
--- a/install/ysf2ysf.sh
+++ b/install/ysf2ysf.sh
@@ -42,8 +42,8 @@ cp ysf_bridge1 ysf_bridge2 -r
 
 sudo chmod +x /opt/ysf_bridge1/*
 sudo chmod +x /opt/ysf_bridge2/*
-sudo sed -i "s/log_file =.*/log_file = /var/log/ysf_bridge1/ysf_bridge.log/g" /opt/ysf_bridge1/ysf_bridge.ini
-sudo sed -i "s/log_file =.*/log_file = /var/log/ysf_bridge2/ysf_bridge.log/g" /opt/ysf_bridge2/ysf_bridge.ini
+sudo sed -i "s/log_file =.*/log_file = \/var\/log\/ysf_bridge1\/ysf_bridge.log/g" /opt/ysf_bridge1/ysf_bridge.ini
+sudo sed -i "s/log_file =.*/log_file = \/var\/log\/ysf_bridge2\/ysf_bridge.log/g" /opt/ysf_bridge2/ysf_bridge.ini
 
 sudo cat > /lib/systemd/system/ysf2ysf1.service <<- "EOF"
 [Unit]