diff --git a/main/channel.c b/main/channel.c
index 719e9f669aa318cd8944c8706b6165388c96f350..42ea4bfb357732e8e8a2e50d705cbf71a2ccf8c0 100644
--- a/main/channel.c
+++ b/main/channel.c
@@ -718,6 +718,8 @@ int ast_best_codec(int fmts)
 		AST_FORMAT_ULAW,
 		/*! Unless of course, you're a silly European, so then prefer ALAW */
 		AST_FORMAT_ALAW,
+		AST_FORMAT_SIREN14,
+		AST_FORMAT_SIREN7,
 		/*! G.722 is better then all below, but not as common as the above... so give ulaw and alaw priority */
 		AST_FORMAT_G722,
 		/*! Okay, well, signed linear is easy to translate into other stuff */