diff --git a/doc/org.eclipse.cdt.doc.isv/reference/.cvsignore b/doc/org.eclipse.cdt.doc.isv/reference/.cvsignore
new file mode 100644
index 00000000000..eedd89b455e
--- /dev/null
+++ b/doc/org.eclipse.cdt.doc.isv/reference/.cvsignore
@@ -0,0 +1 @@
+api