diff --git a/src/xatu/xatu_main.rs b/src/xatu/xatu_main.rs
index 2a5c68c..5c50fe8 100644
--- a/src/xatu/xatu_main.rs
+++ b/src/xatu/xatu_main.rs
@@ -20,6 +20,7 @@ fn is_excluded_dir(path: &Path) -> bool {
                     | "bazel-out"
                     | "bazel-testlogs"
                     | "target"
+                    | "testdata"
                     | "third_party"
             ) || name == "result"
                 || name.starts_with("result-")