diff --git a/src/dockerproxy.js b/src/dockerproxy.js
index 7105ec9e4..471e63eba 100644
--- a/src/dockerproxy.js
+++ b/src/dockerproxy.js
@@ -70,6 +70,7 @@ function attachDockerRequest(req, res, next) {
 
 function containersCreate(req, res, next) {
     safe.set(req.body, 'HostConfig.NetworkMode', 'cloudron'); // overwrite the network the container lives in
+    safe.set(req.body, 'NetworkingConfig', {}); // drop any custom network configs
     safe.set(req.body, 'Labels',  _.extend({ }, safe.query(req.body, 'Labels'), { appId: req.app.id }));    // overwrite the app id to track containers of an app
 
     if (!req.app.manifest.addons.docker.nativeLogging) safe.set(req.body, 'HostConfig.LogConfig', { Type: 'syslog', Config: { 'tag': req.app.id, 'syslog-address': 'udp://127.0.0.1:2514', 'syslog-format': 'rfc5424' }});