diff --git a/src/http/modules/ngx_http_proxy_module.c b/src/http/modules/ngx_http_proxy_module.c
index c8a80ef..9a85973 100644
--- a/src/http/modules/ngx_http_proxy_module.c
+++ b/src/http/modules/ngx_http_proxy_module.c
@@ -389,6 +389,13 @@
       offsetof(ngx_http_proxy_loc_conf_t, upstream.busy_buffers_size_conf),
       NULL },
 
+    { ngx_string("proxy_force_ranges"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
+      ngx_conf_set_flag_slot,
+      NGX_HTTP_LOC_CONF_OFFSET,
+      offsetof(ngx_http_proxy_loc_conf_t, upstream.force_ranges),
+      NULL },
+
 #if (NGX_HTTP_CACHE)
 
     { ngx_string("proxy_cache"),
@@ -2472,6 +2479,7 @@
     conf->upstream.next_upstream_tries = NGX_CONF_UNSET_UINT;
     conf->upstream.buffering = NGX_CONF_UNSET;
     conf->upstream.ignore_client_abort = NGX_CONF_UNSET;
+    conf->upstream.force_ranges = NGX_CONF_UNSET;
 
     conf->upstream.local = NGX_CONF_UNSET_PTR;
 
@@ -2568,6 +2576,9 @@
     ngx_conf_merge_value(conf->upstream.ignore_client_abort,
                               prev->upstream.ignore_client_abort, 0);
 
+    ngx_conf_merge_value(conf->upstream.force_ranges,
+                              prev->upstream.force_ranges, 0);
+
     ngx_conf_merge_ptr_value(conf->upstream.local,
                               prev->upstream.local, NULL);