diff --git a/.tmux.conf b/.tmux.conf
index 394fc02..ba975d3 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -29,6 +29,9 @@ bind-key -T copy-mode-vi 'y' send -X copy-selection # copy text with "y"
 
 unbind -T copy-mode-vi MouseDragEnd1Pane # don't exit copy mode when dragging with mouse
 
+# remove delay for exiting insert mode with ESC in Neovim
+set -sg escape-time 10
+
 # tpm plugin
 set -g @plugin 'tmux-plugins/tpm'