diff --git a/.gitattributes b/.gitattributes
index 10d6160..705796b 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -8,3 +8,6 @@
 /psalm.baseline.xml export-ignore
 /test/ export-ignore
 /autoload-dev/ export-ignore
+# Set the default behavior, in case people don't have core.autocrlf set.
+* text=auto
+*.php text eol=lf