diff --git a/lib/nghttp2_session.c b/lib/nghttp2_session.c
index bb822c88..90a5e1ba 100644
--- a/lib/nghttp2_session.c
+++ b/lib/nghttp2_session.c
@@ -7030,7 +7030,7 @@ int nghttp2_session_resume_data(nghttp2_session *session, int32_t stream_id) {
     return rv;
   }
 
-  return rv;
+  return 0;
 }
 
 size_t nghttp2_session_get_outbound_queue_size(nghttp2_session *session) {