diff --git a/.gitignore b/.gitignore
index bfd75f0..cea8cfe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,8 @@
 productions/online_test_mc/._Ds_eepi_mc_online.py
 productions/online_test_mc/._Ds_mumupi_mc_online.py
 
+*mu
+
 architectures/*
 *test*
 .ipynb_checkpoints/*