diff --git a/src/start.js b/src/start.js
index 0a8ed18e67..06ffc93589 100644
--- a/src/start.js
+++ b/src/start.js
@@ -99,6 +99,7 @@ function setupConfigs() {
 	nconf.set('use_port', !!urlObject.port);
 	nconf.set('relative_path', relativePath);
 	nconf.set('port', urlObject.port || nconf.get('port') || nconf.get('PORT') || (nconf.get('PORT_ENV_VAR') ? nconf.get(nconf.get('PORT_ENV_VAR')) : false) || 4567);
+	nconf.set('upload_url', '/assets/uploads');
 }
 
 function printStartupInfo() {