diff --git a/portainer/rootfs/etc/nginx/templates/ingress.gtpl b/portainer/rootfs/etc/nginx/templates/ingress.gtpl
index 029ec1ad7..8593aee22 100644
--- a/portainer/rootfs/etc/nginx/templates/ingress.gtpl
+++ b/portainer/rootfs/etc/nginx/templates/ingress.gtpl
@@ -2,15 +2,21 @@ server {
   listen {{ .interface }}:{{ .port }} default_server;
   include /etc/nginx/includes/server_params.conf;
   include /etc/nginx/includes/proxy_params.conf;
+  include /etc/nginx/includes/ssl_params.conf;
+  ssl_certificate /ssl/{{ .certfile }};
+  ssl_certificate_key /ssl/{{ .keyfile }};
   client_max_body_size 0;
   
   location / {
     proxy_pass {{ .protocol }}://backend/;
     resolver 127.0.0.11 valid=30s;
+    proxy_set_header Connection "";
   }
   
   location /api/websocket/ {
     proxy_pass {{ .protocol }}://backend/api/websocket/;
+    proxy_set_header Upgrade $http_upgrade;
+    proxy_set_header Connection "upgrade";
     resolver 127.0.0.11 valid=30s;
   }
 }