diff --git a/.gitattributes b/.gitattributes
index d3c6f214ebe215ec7048a1cda57c2ff5d332279d..52c43835795f2d5981094cc6374a6ccdb6bb5a90 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1,2 @@
 *.pdf filter=lfs diff=lfs merge=lfs -text
-*graffle filter=lfs diff=lfs merge=lfs -text
+*.graffle filter=lfs diff=lfs merge=lfs -text