diff --git a/libavformat/rtmpproto.c b/libavformat/rtmpproto.c
index 7d40227632..115c335974 100644
--- a/libavformat/rtmpproto.c
+++ b/libavformat/rtmpproto.c
@@ -339,9 +339,12 @@ static int gen_connect(URLContext *s, RTMPContext *rt)
     ff_amf_write_field_name(&p, "flashVer");
     ff_amf_write_string(&p, rt->flashver);
 
-    if (rt->swfurl) {
+    if (rt->swfurl || rt->swfverify) {
         ff_amf_write_field_name(&p, "swfUrl");
-        ff_amf_write_string(&p, rt->swfurl);
+        if (rt->swfurl)
+            ff_amf_write_string(&p, rt->swfurl);
+        else
+            ff_amf_write_string(&p, rt->swfverify);
     }
 
     ff_amf_write_field_name(&p, "tcUrl");