diff --git a/conf/nginx.conf b/conf/nginx.conf
index c37ef92..b5f9bdd 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -6,7 +6,7 @@ location ^~ /loleaflet {
 
 # WOPI discovery URL
 location ^~ /hosting/discovery {
-    proxy_pass https://localhost:__PORT__;
+    proxy_pass http://localhost:__PORT__;
     proxy_set_header Host $http_host;
 }