diff --git a/res/res_rtp_asterisk.c b/res/res_rtp_asterisk.c
index 3d2a66cdeaf48f319edfcd6075338419881cfc5c..0c52ce2ad43556e64c7d0abeeea738e2f9f3a140 100644
--- a/res/res_rtp_asterisk.c
+++ b/res/res_rtp_asterisk.c
@@ -522,7 +522,7 @@ static void ast_rtp_ice_add_remote_candidate(struct ast_rtp_instance *instance,
 	struct ast_rtp_engine_ice_candidate *remote_candidate;
 
 	/* ICE sessions only support UDP candidates */
-	if (strcmp(candidate->transport, "UDP")) {
+	if (strcasecmp(candidate->transport, "udp")) {
 		return;
 	}