diff --git a/nginx/sharelatex.conf b/nginx/sharelatex.conf
index 8123e65bcd..723fb7fbe7 100644
--- a/nginx/sharelatex.conf
+++ b/nginx/sharelatex.conf
@@ -9,6 +9,7 @@ server {
 		proxy_http_version 1.1;
 		proxy_set_header Upgrade $http_upgrade;
 		proxy_set_header Connection "upgrade";
+		proxy_set_header Host $host;
 		proxy_set_header X-Forwarded-Host $host;
 		proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
 		proxy_read_timeout 10m;
@@ -20,6 +21,7 @@ server {
 		proxy_http_version 1.1;
 		proxy_set_header Upgrade $http_upgrade;
 		proxy_set_header Connection "upgrade";
+		proxy_set_header Host $host;
 		proxy_set_header X-Forwarded-Host $host;
 		proxy_set_header X-Forwarded-Proto $scheme;
 		proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;