diff --git a/docs/src/content/docs/guides/issues.md b/docs/src/content/docs/guides/issues.md
index 3c7832d0..a040b9d3 100644
--- a/docs/src/content/docs/guides/issues.md
+++ b/docs/src/content/docs/guides/issues.md
@@ -14,3 +14,11 @@ error: chmod '"/nix/store/66kaihiqnn02vpxs6qydcbw9pq7nrkld-iterm2-3.5.4/Applicat
 You can get this error when trying to run `nix store gc`. The fix is to give Nix Full Disk Access. To do so, go to `System Settings > Privacy & Security > Full Disk Access` and add Nix to the list of apps that have full disk access.
 
 See also [NixOS/nix#6765](https://github.com/NixOS/nix/issues/6765).
+
+## macOS pegged CPU
+
+On macOS with nix installed you may notice that your CPU is absolutely being
+pegged. This is almost certainly because of gatekeeper. You can disable
+gatekeeper by opening settings > Privacy & Security > "Allow applications from"
+and setting that to "Anywhere". This is caused by most nix store items not
+being signed.