diff --git a/deploy/nginx/dev.conf b/deploy/nginx/dev.conf
index 228849af..df040a28 100644
--- a/deploy/nginx/dev.conf
+++ b/deploy/nginx/dev.conf
@@ -36,7 +36,7 @@ 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 Host $http_host;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header X-Forwarded-Proto $scheme;
         proxy_pass http://app_server;
@@ -45,7 +45,7 @@ server {
     location / {
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header X-Forwarded-Proto $scheme;
-        proxy_set_header Host $host;
+        proxy_set_header Host $http_host;
         proxy_redirect off;
         proxy_buffering off;
         proxy_pass http://app_server;