diff --git a/Dockerfile.base b/Dockerfile.base
index 948bedc..f4a695a 100644
--- a/Dockerfile.base
+++ b/Dockerfile.base
@@ -71,6 +71,7 @@ RUN printf '%s\n' \
 '        proxy_request_buffering off;' \
 '        chunked_transfer_encoding on;' \
 '        gzip off;' \
+'        add_header X-Accel-Buffering no;' \
 '        proxy_connect_timeout 600s;' \
 '        proxy_send_timeout 600s;' \
 '        proxy_read_timeout 600s;' \
diff --git a/Dockerfile.base.local b/Dockerfile.base.local
index a512f9f..e1734fb 100644
--- a/Dockerfile.base.local
+++ b/Dockerfile.base.local
@@ -75,6 +75,7 @@ RUN printf '%s\n' \
 '        proxy_request_buffering off;' \
 '        chunked_transfer_encoding on;' \
 '        gzip off;' \
+'        add_header X-Accel-Buffering no;' \
 '        proxy_connect_timeout 600s;' \
 '        proxy_send_timeout 600s;' \
 '        proxy_read_timeout 600s;' \