diff --git a/compat/.gitattributes b/compat/.gitattributes
index 40dbfb170d..2b5a66a3b3 100644
--- a/compat/.gitattributes
+++ b/compat/.gitattributes
@@ -1 +1,2 @@
 /zlib-uncompress2.c	whitespace=-indent-with-non-tab,-trailing-space
+/mimalloc/**/*	whitespace=-trailing-space