diff --git a/.config/kitty/kitty.conf b/.config/kitty/kitty.conf
index 55dbe4f..30cb425 100644
--- a/.config/kitty/kitty.conf
+++ b/.config/kitty/kitty.conf
@@ -761,7 +761,7 @@ mark3_background #f274bc
 
 #: Advanced {{{
 
-shell fish
+shell tmux
 
 #: The shell program to execute. The default value of . means to use
 #: whatever shell is set as the default shell for the current user.
@@ -814,7 +814,7 @@ listen_on none
 #: remote control. See the help for kitty --listen-on for more
 #: details.
 
-# env 
+# env
 
 #: Specify environment variables to set in all child processes. Note
 #: that environment variables are expanded recursively, so if you
diff --git a/README.org b/README.org
index 46e2760..9bdd654 100644
--- a/README.org
+++ b/README.org
@@ -6136,7 +6136,7 @@ mark3_background #f274bc
 #+BEGIN_SRC conf :tangle .config/kitty/kitty.conf
 #: Advanced {{{
 
-shell fish
+shell tmux
 
 #: The shell program to execute. The default value of . means to use
 #: whatever shell is set as the default shell for the current user.
@@ -6189,7 +6189,7 @@ listen_on none
 #: remote control. See the help for kitty --listen-on for more
 #: details.
 
-# env 
+# env
 
 #: Specify environment variables to set in all child processes. Note
 #: that environment variables are expanded recursively, so if you