diff --git a/drivers/wireless/ieee80211/bcm43xxx/bcmf_driver.c b/drivers/wireless/ieee80211/bcm43xxx/bcmf_driver.c
index ff00717a92..e92393d3c8 100644
--- a/drivers/wireless/ieee80211/bcm43xxx/bcmf_driver.c
+++ b/drivers/wireless/ieee80211/bcm43xxx/bcmf_driver.c
@@ -1807,6 +1807,7 @@ int bcmf_wl_get_country(FAR struct bcmf_dev_s *priv, FAR struct iwreq *iwr)
   if (ret == OK)
     {
       memcpy(iwr->u.data.pointer, country, 2);
+      ((uint8_t *)iwr->u.data.pointer)[2] = '\0';
     }
 
   return ret;