diff --git a/.gitattributes b/.gitattributes
index 332e6a9b..26bb3c67 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -4,4 +4,4 @@
 *.h linguist-language=C++
 
 # Don't count 3rd-party libraries
-neo/libs/* linguist_vendored
+neo/libs/* linguist-vendored