diff --git a/src/js/proxified-containers.js b/src/js/proxified-containers.js
index 795ae8e..4008df2 100644
--- a/src/js/proxified-containers.js
+++ b/src/js/proxified-containers.js
@@ -111,7 +111,7 @@ proxifiedContainers = {
 
   //Parses a proxy description string of the format type://host[:port] or type://username:password@host[:port] (port is optional)
   parseProxy(proxy_str) {
-    const proxyRegexp = /(?<type>(https?)|(socks4?)):\/\/(\b(?<username>\w+):(?<password>\w+)@)?(?<host>((?:\d{1,3}\.){3}\d{1,3}\b)|(\b(\w+)(\.(\w+))+))(:(?<port>\d+))?/;
+    const proxyRegexp = /(?<type>(https?)|(socks4?)):\/\/(\b(?<username>\w+):(?<password>\w+)@)?(?<host>((?:\d{1,3}\.){3}\d{1,3}\b)|(\b([\w.-]+)(\.([\w.-]+))+))(:(?<port>\d+))?/;
     if (proxyRegexp.test(proxy_str) !== true) {
       return false;
     }