diff --git a/reverse-proxy/conf.d/default.conf b/reverse-proxy/conf.d/default.conf
index 66eb18914..88a2c4216 100644
--- a/reverse-proxy/conf.d/default.conf
+++ b/reverse-proxy/conf.d/default.conf
@@ -15,7 +15,7 @@ server {
     proxy_http_version 1.1;
     proxy_set_header   Upgrade $http_upgrade;
     proxy_set_header   Connection keep-alive;
-    proxy_set_header   Host $host;
+    proxy_set_header   Host $http_host;
     proxy_cache_bypass $http_upgrade;
     proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
     proxy_set_header   X-Forwarded-Proto $scheme;
@@ -27,7 +27,7 @@ server {
     proxy_http_version 1.1;
     proxy_set_header   Upgrade $http_upgrade;
     proxy_set_header   Connection keep-alive;
-    proxy_set_header   Host $host;
+    proxy_set_header   Host $http_host;
     proxy_cache_bypass $http_upgrade;
     proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
     proxy_set_header   X-Forwarded-Proto $scheme;
@@ -39,7 +39,7 @@ server {
     proxy_http_version 1.1;
     proxy_set_header   Upgrade $http_upgrade;
     proxy_set_header   Connection keep-alive;
-    proxy_set_header   Host $host;
+    proxy_set_header   Host $http_host;
     proxy_cache_bypass $http_upgrade;
     proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
     proxy_set_header   X-Forwarded-Proto $scheme;
@@ -50,7 +50,7 @@ server {
     proxy_http_version 1.1;
     proxy_set_header   Upgrade $http_upgrade;
     proxy_set_header   Connection keep-alive;
-    proxy_set_header   Host $host;
+    proxy_set_header   Host $http_host;
     proxy_cache_bypass $http_upgrade;
     proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
     proxy_set_header   X-Forwarded-Proto $scheme;