diff --git a/bin/python/.gitignore b/bin/python/.gitignore
index 2e6963dfc9..010fab03c1 100644
--- a/bin/python/.gitignore
+++ b/bin/python/.gitignore
@@ -1,3 +1,4 @@
+build
 dnssec-checkds
 dnssec-checkds.py
 dnssec-coverage