diff --git a/.gitignore b/.gitignore
index 38538a2b0da7279887cac5064e2603591d966a36..a3c950c737b9c1d698a9bbe55f5cca35ec3b9d61 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ run.py
 *.swp
 *.pyc
 *.pdf
+*.root