diff --git a/CLAUDE.md b/CLAUDE.md
index cc7b96e..08f7df0 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -75,6 +75,7 @@
 - Install binaries to `~/bin` (`go env -w GOBIN=$HOME/bin`), not `~/.local/bin` — no hiding tools under dotfile paths.
 - Use literal initialization (`map[string]bool{}`) over `make()`.
 - All-lowercase log messages. Prepend `[ERROR]` where applicable.
+- Always fix gofmt without asking: any Go file you see that `gofmt -l` flags gets fixed, including lines you didn't write. This overrides "only reformat lines you touch".
 
 # Shell