diff --git a/libs/sofia-sip/.update b/libs/sofia-sip/.update
index b383c396f1..9b485b41f5 100644
--- a/libs/sofia-sip/.update
+++ b/libs/sofia-sip/.update
@@ -1 +1 @@
-Thu Jul  9 19:53:33 CDT 2009
+Mon Sep 21 14:27:58 CDT 2009
diff --git a/libs/sofia-sip/libsofia-sip-ua/soa/soa_static.c b/libs/sofia-sip/libsofia-sip-ua/soa/soa_static.c
index f397e7aaad..293561287c 100644
--- a/libs/sofia-sip/libsofia-sip-ua/soa/soa_static.c
+++ b/libs/sofia-sip/libsofia-sip-ua/soa/soa_static.c
@@ -778,7 +778,8 @@ int soa_sdp_upgrade(soa_session_t *ss,
 	continue;
       if (j >= Nu) /* lines removed from user SDP */
 	continue;
-      assert(i < Ns);
+	  if (i >= Ns) /* I should never be called but somehow i and Ns are 0 here sometimes */
+    continue;
       s_media[i] = u_media[j], u_media[j] = SDP_MEDIA_NONE;
       u2s[j] = i, s2u[i] = j;
     }