diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c
index f75b21c400..576ca6351b 100644
--- a/channels/chan_iax2.c
+++ b/channels/chan_iax2.c
@@ -8714,6 +8714,8 @@ static int set_config(char *config_file, int reload)
 	min_reg_expire = IAX_DEFAULT_REG_EXPIRE;
 	max_reg_expire = IAX_DEFAULT_REG_EXPIRE;
 
+	maxauthreq = 0;
+
 	v = ast_variable_browse(cfg, "general");
 
 	/* Seed initial tos value */