diff --git a/src/http/ngx_http_upstream.c b/src/http/ngx_http_upstream.c
index 86c5af8..b95db57 100644
--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -3035,7 +3035,7 @@
     n = 0;
 
     for (p += 8; p < last; p++) {
-        if (*p == ';' || *p == ' ') {
+        if (*p == ',' || *p == ';' || *p == ' ') {
             break;
         }