diff --git a/ext/rtmp/gstrtmpsrc.c b/ext/rtmp/gstrtmpsrc.c
index b6c4048292..f178146398 100644
--- a/ext/rtmp/gstrtmpsrc.c
+++ b/ext/rtmp/gstrtmpsrc.c
@@ -416,7 +416,7 @@ gst_rtmp_src_query (GstBaseSrc * basesrc, GstQuery * query)
 
       gst_query_parse_position (query, &format, NULL);
       if (format == GST_FORMAT_TIME) {
-        gst_query_set_duration (query, format, src->last_timestamp);
+        gst_query_set_position (query, format, src->last_timestamp);
         ret = TRUE;
       }
       break;