diff --git a/ui/build/kati.go b/ui/build/kati.go
index 6997fbe..423bcbc 100644
--- a/ui/build/kati.go
+++ b/ui/build/kati.go
@@ -57,6 +57,9 @@
 }
 
 func runKati(ctx Context, config Config) {
+	ctx.BeginTrace("kati")
+	defer ctx.EndTrace()
+
 	genKatiSuffix(ctx, config)
 
 	executable := "prebuilts/build-tools/" + config.HostPrebuiltTag() + "/bin/ckati"