diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..d95c653
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+source/extern/** linguist-vendored=true
+lib/** linguist-vendored=true
diff --git a/source/extern/.gitattributes b/source/extern/.gitattributes
deleted file mode 100644
index c5fb0d0..0000000
--- a/source/extern/.gitattributes
+++ /dev/null
@@ -1 +0,0 @@
-** linguist-vendored=true