diff --git a/src/upstream.c b/src/upstream.c
index 60561a9..55092c4 100644
--- a/src/upstream.c
+++ b/src/upstream.c
@@ -226,6 +226,7 @@ static struct upstream *upstream_build (const struct upstream_proxy_list *plist,
                                              "Bad regex: %s", up->pat);
                                 goto fail;
                         }
+                        up->domain = safestrdup (domain);
                 }
 #endif