diff --git a/.gitignore b/.gitignore
index 7ba4584af0a904fa07d3b3d60a4aa5550220ba7f..c3ba6facbcab7a47d2251f83fbd6d0672fd6eb5a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -45,3 +45,4 @@ marchenko_applications/iba
 marchenko_applications/marchenko_app
 marchenko_applications/reshape_su
 raytime3d/raytime3d
+MDD/mdd