diff --git a/utils/pathUtils.js b/utils/pathUtils.js
index e8cd172..372c321 100644
--- a/utils/pathUtils.js
+++ b/utils/pathUtils.js
@@ -45,7 +45,9 @@ function getHostCachePathComponent(url) {
     const {
         host
     } = new URL(url);
-    return host.replace(/[^a-z0-9]/gi, '').toLowerCase();
+
+    return host.replace(/\.:/gi, '_').replace(/[^a-z0-9_]/gi, '_').toLowerCase()
+      + '_' + SHA1(host);
 }
 
 /**