diff --git a/README.md b/README.md
index 6a56d28b..3a8716a6 100644
--- a/README.md
+++ b/README.md
@@ -62,6 +62,8 @@ Devices / ROMs with a broken VPN implementation:
 
 NetGuard will crash when the package *com.android.vpndialogs* has been removed or otherwise is unavailable.
 
+Tethering will not work when NetGuard is enabled due to a bug in Android ([issue](https://github.com/M66B/NetGuard/issues/42)).
+
 [Greenifying](https://play.google.com/store/apps/details?id=com.oasisfeng.greenify) NetGuard will result in rules not being applied
 when connectivity changes from WiFi/mobile, changing from passive to active use and changing from roaming/not roaming.