diff --git a/.hgignore b/.hgignore
index 6a0249d2..d8913ae3 100644
--- a/.hgignore
+++ b/.hgignore
@@ -74,4 +74,5 @@ src/query/xadump
 src/recollinstall
 src/sampleconf/rclmon.sh
 src/sampleconf/recoll.conf
+tests/indexedmimetypes/index.pid 
 website/usermanual/*