diff --git a/.gitattributes b/.gitattributes
index 7377cd166..3f7f7d837 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1 +1,3 @@
 emma2/_version.py export-subst
+mle_trev_given_pi.c binary
+mle_trev.c binary
\ No newline at end of file