diff --git a/collects/scribble/lncs/.gitignore b/collects/scribble/lncs/.gitignore
new file mode 100644
index 00000000..6c77022d
--- /dev/null
+++ b/collects/scribble/lncs/.gitignore
@@ -0,0 +1,2 @@
+# to avoid committing it by accident, since we can't distribute it
+/llncs.cls