diff --git a/.hgignore b/.hgignore
index c19d9d91a..90e70c089 100644
--- a/.hgignore
+++ b/.hgignore
@@ -8,3 +8,4 @@
 ^doc/latex
 ^\.lock-wscript
 ^\.waf
+^doc/trace-source-list\.h$