diff --git a/.gitattributes b/.gitattributes
index c37ef555bd14817f785bf651b89f48ce752923c1..100f27e5ebecf4d3f8e59ab2cba9cd3d6eeb42a0 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,4 +1,4 @@
-*.sketch diff=sketchtool
+    Lsketch diff=sketchtool
 *.jpg filter=lfs diff=lfs merge=lfs -text
 *.atype filter=lfs diff=lfs merge=lfs -text
 *.png filter=lfs diff=lfs merge=lfs -text