diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..dc0586d
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,3 @@
+# Patches are applied with `git apply`, which fails on CRLF. Keep them LF even
+# where core.autocrlf=true (Windows checkouts).
+*.patch text eol=lf