diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index d5213da7ad43e240c0b6418d4b878d26b8cd827c..1fdba95e05f8002b93cf16de249817eaa7f7935f 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -30596,7 +30596,7 @@ static struct sip_peer *build_peer(const char *name, struct ast_variable *v, str
 				if (peer->callingpres == -1) {
 					peer->callingpres = atoi(v->value);
 				}
-			} else if (!strcasecmp(v->name, "username") || !strcmp(v->name, "defaultuser")) {	/* "username" is deprecated */
+			} else if (!strcasecmp(v->name, "username") || !strcasecmp(v->name, "defaultuser")) {	/* "username" is deprecated */
 				ast_string_field_set(peer, username, v->value);
 				if (!strcasecmp(v->name, "username")) {
 					if (deprecation_warning) {