diff --git a/web/mattermost b/web/mattermost
index 72fa28d..ee9dc8d 100644
--- a/web/mattermost
+++ b/web/mattermost
@@ -13,7 +13,7 @@ server {
         proxy_set_header Host $http_host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header X-Forwarded-Proto $proxy_x_forwarded_proto;
         proxy_set_header X-Frame-Options SAMEORIGIN;
         proxy_buffers 256 16k;
         proxy_buffer_size 16k;
@@ -29,7 +29,7 @@ server {
         proxy_set_header Host $http_host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header X-Forwarded-Proto $proxy_x_forwarded_proto;
         proxy_set_header X-Frame-Options SAMEORIGIN;
         proxy_buffers 256 16k;
         proxy_buffer_size 16k;
diff --git a/web/mattermost-ssl b/web/mattermost-ssl
index 3a6d18f..9ef7cd0 100644
--- a/web/mattermost-ssl
+++ b/web/mattermost-ssl
@@ -29,7 +29,7 @@ server {
         proxy_set_header Host $http_host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header X-Forwarded-Proto $proxy_x_forwarded_proto;
         proxy_set_header X-Frame-Options SAMEORIGIN;
         proxy_buffers 256 16k;
         proxy_buffer_size 16k;
@@ -46,7 +46,7 @@ server {
         proxy_set_header Host $http_host;
         proxy_set_header X-Real-IP $remote_addr;
         proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header X-Forwarded-Proto $proxy_x_forwarded_proto;
         proxy_set_header X-Frame-Options SAMEORIGIN;
         proxy_buffers 256 16k;
         proxy_buffer_size 16k;