diff --git a/cc/builder.go b/cc/builder.go
index 748377b..a8219d7 100644
--- a/cc/builder.go
+++ b/cc/builder.go
@@ -633,6 +633,7 @@
 				rule = clangTidyRE
 			}
 
+			ctx.TidyFile(tidyFile)
 			ctx.Build(pctx, android.BuildParams{
 				Rule:        rule,
 				Description: "clang-tidy " + srcFile.Rel(),