diff --git a/copyrat.tmux b/copyrat.tmux
index eb2bb4c..c3ee0bd 100755
--- a/copyrat.tmux
+++ b/copyrat.tmux
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env zsh
 
 # This scripts provides a default configuration for tmux-copyrat options and key bindings.
 # It is run only once at tmux launch.
@@ -26,9 +26,14 @@
 # You can also entirely ignore this file (not even source it) and define all
 # options and bindings in your `tmux.conf`.
 
-CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+CURRENT_DIR="$( cd "$( dirname "$0" )" && pwd )"
 BINARY="${CURRENT_DIR}/tmux-copyrat"
 
+
+#
+# Top-level options
+#
+
 setup_option() {
 	local opt_name=$1
 	local default_value=$2
@@ -38,10 +43,13 @@ setup_option() {
 }
 
 
-# Sets the window name when copyrat is run, providing a default in case
-# @copyrat-window-name was not defined.
+# Sets the window name which copyrat should use when running, providing a
+# default value in case @copyrat-window-name was not defined.
 setup_option "window-name" "[copyrat]"
 
+# Get that window name as a local variable for use in pattern bindings below.
+window_name=$(tmux show-option -gqv @copyrat-window-name)
+
 # Sets the keytable for all bindings, providing a default if @copyrat-keytable was not defined.
 # Keytables open a new shortcut space: if 't' is the switcher (see below), prefix + t + <your-shortcut>
 setup_option "keytable" "cpyrt"
@@ -50,15 +58,21 @@ setup_option "keytable" "cpyrt"
 # providing a default if @copyrat-keyswitch is not defined.
 setup_option "keyswitch" "t"
 
-local keyswitch=$(tmux show-option @copyrat-keyswitch)
-local keytable=$(tmux show-option @copyrat-keytable)
-tmux bind-key ${keyswitch} -T ${keytable}
+keyswitch=$(tmux show-option -gv @copyrat-keyswitch)
+keytable=$(tmux show-option -gv @copyrat-keytable)
+tmux bind-key ${keyswitch} switch-client -T ${keytable}
 
-setup_binding() {
+
+#
+# Pattern bindings
+#
+
+setup_pattern_binding() {
 	local key=$1
-	local pattern_name="$2"
-	local window_name=$(tmux show-option -gqv @copyrat-window-name)
-	tmux bind-key -T ${keytable} $key new-window -d -n ${window_name} "${BINARY} --window-name ${window_name} --reverse --unique ${pattern_name}"
+	local pattern_arg="$2"
+  # The default window name `[copyrat]` has to be single quoted because it is
+  # interpreted by the shell when launched by tmux.
+	tmux bind-key -T ${keytable} ${key} new-window -d -n ${window_name} "${BINARY} --window-name '"${window_name}"' --reverse --unique-hint ${pattern_arg}"
 }
 
 # prefix + t + p searches for absolute & relative paths
@@ -89,7 +103,7 @@ setup_pattern_binding "6" "--pattern-name ipv6"
 setup_pattern_binding "space" "--all-patterns"
 
 # prefix + t + / prompts for a pattern and search for it
-tmux bind-key -T ${keytable} "/" command-prompt -p "search:" 'new-window -d -n ${COPYRAT_WINDOW_NAME} "${BINARY} --window-name ${COPYRAT_WINDOW_NAME} --reverse --unique --custom-pattern %%"'
+tmux bind-key -T ${keytable} "/" command-prompt -p "search:" "new-window -d -n '${window_name}' \"${BINARY}\" --window-name '${window_name}' --reverse --unique-hint --custom-pattern %%"
 
 
 # Auto-install is currently disabled as it requires the user to have cargo installed.