diff --git a/privoxy/scripts/start.sh b/privoxy/scripts/start.sh
index 8201d6dd38..892c09a4dc 100755
--- a/privoxy/scripts/start.sh
+++ b/privoxy/scripts/start.sh
@@ -27,7 +27,7 @@ set_port()
   # Set the port for the IPv4 interface
   adr=$(ip -4  a show eth0| grep -oP "(?<=inet )([^/]+)")
   adr=${adr:-"0.0.0.0"}
-  sed -i -E "s/^listen-address\s+127.*/listen-address ${adr}:$1/" "$2"
+  sed -i -E "s/^listen-address\s+.*/listen-address ${adr}:$1/" "$2"
 
   # Remove the listen-address for IPv6 for now. IPv6 compatibility should come later
   sed -i -E "s/^listen-address\s+\[\:\:1.*//" "$2"
diff --git a/scripts/healthcheck.sh b/scripts/healthcheck.sh
index 8c5646c50f..bb431e8645 100755
--- a/scripts/healthcheck.sh
+++ b/scripts/healthcheck.sh
@@ -59,7 +59,7 @@ if [[ ${WEBPROXY_ENABLED} =~ [yY][eE]?[Ss]?|[tT][Rr][Uu][eE] ]]; then
   if [[ ${PROXY} -eq 0 ]]; then
     echo "Privoxy warning: process was stopped, restarting."
   fi
-    proxy_ip=$(grep -oP "(?<=^listen-address).*$" /etc/privoxy/config | sed 's/ //g')
+    proxy_ip=$(grep -oP "(?<=^listen-address )[0-9\.]+" /etc/privoxy/config)
     cont_ip=$(ip -j a show dev eth0 | jq -r .[].addr_info[].local)
     if [[ ${proxy_ip} != ${cont_ip} ]]; then
       echo "Privoxy error: container ip (${cont_ip} has changed: privoxy listening to ${proxy_ip}, restarting privoxy."