diff --git a/src/ap/hostapd.h b/src/ap/hostapd.h
index 4567036cb..49f0ddf54 100644
--- a/src/ap/hostapd.h
+++ b/src/ap/hostapd.h
@@ -308,7 +308,7 @@ struct hostapd_iface {
 	struct ap_info *ap_list; /* AP info list head */
 	struct ap_info *ap_hash[STA_HASH_SIZE];
 
-	unsigned int drv_flags;
+	u64 drv_flags;
 
 	/* SMPS modes supported by the driver (WPA_DRIVER_SMPS_MODE_*) */
 	unsigned int smps_modes;