diff --git a/lib/nghttp2_submit.c b/lib/nghttp2_submit.c
index da692c93..f5554eb5 100644
--- a/lib/nghttp2_submit.c
+++ b/lib/nghttp2_submit.c
@@ -681,14 +681,14 @@ int nghttp2_submit_priority_update(nghttp2_session *session, uint8_t flags,
 
   mem = &session->mem;
 
-  if (session->remote_settings.no_rfc7540_priorities == 0) {
-    return 0;
-  }
-
   if (session->server) {
     return NGHTTP2_ERR_INVALID_STATE;
   }
 
+  if (session->remote_settings.no_rfc7540_priorities == 0) {
+    return 0;
+  }
+
   if (stream_id == 0 || 4 + field_value_len > NGHTTP2_MAX_PAYLOADLEN) {
     return NGHTTP2_ERR_INVALID_ARGUMENT;
   }