diff --git a/.gitattributes b/.gitattributes
index 5521b4b..0433fe6 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,4 +1,4 @@
 *.pat               linguist-language=Rust
 *.hexpat            linguist-language=Rust
 
-tests/patterns/test_data/*  binary
+tests/patterns/test_data/**  binary