diff --git a/.gitattributes b/.gitattributes
index d4bcaf2f2c..206de48b01 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,3 +1,3 @@
-configure.in ident
+configure.ac ident
 .git*	export-ignore
 /doc/drafts/draft-*.xml	export-ignore