diff --git a/Python.gitignore b/Python.gitignore
index ded60678..59e1215a 100644
--- a/Python.gitignore
+++ b/Python.gitignore
@@ -34,3 +34,6 @@ nosetests.xml
 .mr.developer.cfg
 .project
 .pydevproject
+
+# Ninja-IDE
+*.nja