diff --git a/.gitignore b/.gitignore
index 33eff52..745396d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -161,3 +161,5 @@ cython_debug/
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
 
+# ignore created data files
+*.nix
\ No newline at end of file