diff --git a/Makefile b/Makefile
index 27387ae..9b1df35 100755
--- a/Makefile
+++ b/Makefile
@@ -69,6 +69,11 @@ CONFIG_REDUCE_TX_CPU_LOADING = n
 CONFIG_BR_EXT = y
 CONFIG_TDLS = n
 CONFIG_WIFI_MONITOR = y
+# If you are setting up AP (e.g. by hostapd) in 802.11ac mode, you may have to choose 'y' below.
+# Otherwise some channels may be  flagged 'NO-IR' (i.e. Passive scanning) by the driver.
+# Please check your country's regulatory domain first,
+# to see whether active scanning is permitted by law/regulations on the desired channels.
+CONFIG_DISABLE_REGD_C=y
 CONFIG_MCC_MODE = n
 CONFIG_APPEND_VENDOR_IE_ENABLE = n
 CONFIG_RTW_NAPI = y
@@ -160,6 +165,10 @@ CONFIG_DRVEXT_MODULE = n
 export TopDIR ?= $(shell pwd)
 
 ########### COMMON  #################################
+ifeq ($(CONFIG_DISABLE_REGD_C), y)
+EXTRA_CFLAGS += -DCONFIG_DISABLE_REGD_C
+endif
+
 ifeq ($(CONFIG_GSPI_HCI), y)
 HCI_NAME = gspi
 endif
diff --git a/os_dep/linux/wifi_regd.c b/os_dep/linux/wifi_regd.c
index 1edbcae..73025cc 100644
--- a/os_dep/linux/wifi_regd.c
+++ b/os_dep/linux/wifi_regd.c
@@ -529,6 +529,7 @@ static struct country_code_to_enum_rd *_rtw_regd_find_country(u16 countrycode)
 
 int rtw_regd_init(_adapter *padapter)
 {
+#ifndef CONFIG_DISABLE_REGD_C
 	struct wiphy *wiphy = padapter->rtw_wdev->wiphy;
 
 #if 0
@@ -547,7 +548,7 @@ int rtw_regd_init(_adapter *padapter)
 #endif
 
 	_rtw_regd_init_wiphy(NULL, wiphy);
-
+#endif
 	return 0;
 }
 #endif /* CONFIG_IOCTL_CFG80211 */