diff --git a/devices/hololens/hololens-known-issues.md b/devices/hololens/hololens-known-issues.md
index fe2bb8b761..2fa916f8d0 100644
--- a/devices/hololens/hololens-known-issues.md
+++ b/devices/hololens/hololens-known-issues.md
@@ -150,7 +150,7 @@ We recommend using a Bluetooth keyboard for entering long passwords.
 ## Unity
 
 - See [Install the tools](https://docs.microsoft.com/windows/mixed-reality/install-the-tools) for the most up-to-date version of Unity recommended for HoloLens development.
-- Known issues with the Unity HoloLens Technical Preview are documented in the [HoloLens Unity forums](http://forum.unity3d.com/threads/known-issues.394627/).
+- Known issues with the Unity HoloLens Technical Preview are documented in the [HoloLens Unity forums](https://forum.unity3d.com/threads/known-issues.394627/).
 
 ## Windows Device Portal