diff --git a/web/utils/site.py b/web/utils/site.py
index 93c3829ae..af189ea4e 100644
--- a/web/utils/site.py
+++ b/web/utils/site.py
@@ -1929,6 +1929,8 @@ location ^~ {from} {\n\
                 conf = re.sub(rep, 'listen 80;', conf, 1)
                 rep = r"listen\s+443.+;"
                 conf = re.sub(rep, 'listen 443 ssl;', conf, 1)
+                rep = r"listen\s+[::]:443.+;"
+                conf = re.sub(rep, 'listen [::]:443 ssl;', conf, 1)
                 mw.writeFile(path, conf)
 
         path = self.getHostConf(name)
@@ -1938,6 +1940,8 @@ location ^~ {from} {\n\
             conf = re.sub(rep, 'listen 80 default_server;', conf, 1)
             rep = r"listen\s+443\s*ssl\s*\w*\s*;"
             conf = re.sub(rep, 'listen 443 ssl default_server;', conf, 1)
+            rep = r"listen\s+[::]:443\s*ssl\s*\w*\s*;"
+            conf = re.sub(rep, 'listen [::]:443 ssl default_server;', conf, 1)
             mw.writeFile(path, conf)
 
         thisdb.setOption('default_site', name)