diff --git a/.vimrc b/.vimrc
index 28d8f60..6460e69 100644
--- a/.vimrc
+++ b/.vimrc
@@ -149,3 +149,6 @@ aug CSV_Editing
 		au InsertLeave *.csv :%UnArrangeColumn
 		au InsertLeave *.csv :%ArrangeColumn!
 aug end
+
+" ttymouse explicit setting
+set ttymouse=sgr