diff --git a/pbx/pbx_config.c b/pbx/pbx_config.c
index 68429f53a1cb1e764cbd14288b60c97404935976..15c554e3dc7531b470603879cc0ad6c067baaec2 100644
--- a/pbx/pbx_config.c
+++ b/pbx/pbx_config.c
@@ -1468,7 +1468,7 @@ static int pbx_load_module(void)
 								if (!strcmp(realext, "_."))
 									ast_log(LOG_WARNING, "The use of '_.' for an extension is strongly discouraged and can have unexpected behavior.  Please use '_X.' instead at line %d\n", v->lineno);
 							}
-							if (ast_add_extension2(con, 0, realext, ipri, label, cidmatch, appl, strdup(data), free, registrar)) {
+							if (ast_add_extension2(con, 0, realext, ipri, label, cidmatch, appl, strdup(data), FREE, registrar)) {
 								ast_log(LOG_WARNING, "Unable to register extension at line %d\n", v->lineno);
 							}
 						}