diff --git a/.tmux.conf b/.tmux.conf
index 3450156..6ff0f15 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -3,7 +3,7 @@ set-option -g status-style bg=colour11,fg=colour136,default # bg=base02, fg=yell
 
 # set window split
 bind-key v split-window -h
-bind-key b split-window -h
+bind-key b split-window 
 
 # default window title colors
 set-window-option -g window-status-style fg=colour11,bg=default,dim # fg=base0
@@ -109,6 +109,7 @@ if-shell '\( #{$TMUX_VERSION_MAJOR} -eq 2 -a #{$TMUX_VERSION_MINOR} -lt 1\) -o #
 if-shell "test '#{$TMUX_VERSION_MAJOR} -gt 1 -o \( #{$TMUX_VERSION_MAJOR} -eq 1 -a #{$TMUX_VERSION_MINOR} -ge 8 \)'" 'unbind c; bind c new-window -c "#{pane_current_path}"'
 if-shell "test '#{$TMUX_VERSION_MAJOR} -gt 1 -o \( #{$TMUX_VERSION_MAJOR} -eq 1 -a #{$TMUX_VERSION_MINOR} -ge 8 \)'" "unbind '\"'; bind '\"' split-window -v -c '#{pane_current_path}'"
 if-shell "test '#{$TMUX_VERSION_MAJOR} -gt 1 -o \( #{$TMUX_VERSION_MAJOR} -eq 1 -a #{$TMUX_VERSION_MINOR} -ge 8 \)'" 'unbind v; bind v split-window -h -c "#{pane_current_path}"'
+if-shell "test '#{$TMUX_VERSION_MAJOR} -gt 1 -o \( #{$TMUX_VERSION_MAJOR} -eq 1 -a #{$TMUX_VERSION_MINOR} -ge 8 \)'" 'unbind b; bind b split-window -c "#{pane_current_path}"'
 # if-shell "test '#{$TMUX_VERSION_MAJOR} -gt 1 -o \( #{$TMUX_VERSION_MAJOR} -eq 1 -a #{$TMUX_VERSION_MINOR} -ge 8 \)'" 'unbind %; bind % split-window -h -c "#{pane_current_path}"'