diff --git a/doc/org.eclipse.cdt.doc.isv/.gitignore b/doc/org.eclipse.cdt.doc.isv/.gitignore
index 9cd5171a1a3..1ff9a2b1348 100644
--- a/doc/org.eclipse.cdt.doc.isv/.gitignore
+++ b/doc/org.eclipse.cdt.doc.isv/.gitignore
@@ -1,3 +1,4 @@
 .metadata
 cdtconvert.txt
 reference
+/doc.bin.log