diff --git a/sensible.tmux b/sensible.tmux
index 5cf2af6..613ebe6 100755
--- a/sensible.tmux
+++ b/sensible.tmux
@@ -2,6 +2,12 @@
 
 CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
+# Try to find the executable path of the currently running 
+# tmux server, fallback to just "tmux" if not found or no 
+# procfs aviliable (non-linux).
+export TMUX_CMD_PATH=$(realpath "/proc/$(tmux display -p '#{pid}')/exe" 2> /dev/null || echo "tmux" | sed -z '$ s/\n$//')
+echo "tmux executable used: $TMUX_CMD_PATH"
+
 # used to match output from `tmux list-keys`
 KEY_BINDING_REGEX="bind-key[[:space:]]\+\(-r[[:space:]]\+\)\?\(-T prefix[[:space:]]\+\)\?"
 
@@ -21,7 +27,7 @@ command_exists() {
 
 # returns prefix key, e.g. 'C-a'
 prefix() {
-	tmux show-option -gv prefix
+	$TMUX_CMD_PATH show-option -gv prefix
 }
 
 # if prefix is 'C-a', this function returns 'a'
@@ -33,20 +39,20 @@ prefix_without_ctrl() {
 option_value_not_changed() {
 	local option="$1"
 	local default_value="$2"
-	local option_value=$(tmux show-option -gv "$option")
+	local option_value=$($TMUX_CMD_PATH show-option -gv "$option")
 	[ "$option_value" == "$default_value" ]
 }
 
 server_option_value_not_changed() {
 	local option="$1"
 	local default_value="$2"
-	local option_value=$(tmux show-option -sv "$option")
+	local option_value=$($TMUX_CMD_PATH show-option -sv "$option")
 	[ "$option_value" == "$default_value" ]
 }
 
 key_binding_not_set() {
 	local key="$1"
-	if $(tmux list-keys | grep -q "${KEY_BINDING_REGEX}${key}[[:space:]]"); then
+	if $($TMUX_CMD_PATH list-keys | grep -q "${KEY_BINDING_REGEX}${key}[[:space:]]"); then
 		return 1
 	else
 		return 0
@@ -56,7 +62,7 @@ key_binding_not_set() {
 key_binding_not_changed() {
 	local key="$1"
 	local default_value="$2"
-	if $(tmux list-keys | grep -q "${KEY_BINDING_REGEX}${key}[[:space:]]\+${default_value}"); then
+	if $($TMUX_CMD_PATH list-keys | grep -q "${KEY_BINDING_REGEX}${key}[[:space:]]\+${default_value}"); then
 		# key still has the default binding
 		return 0
 	else
@@ -68,55 +74,55 @@ main() {
 	# OPTIONS
 
 	# enable utf8 (option removed in tmux 2.2)
-	tmux set-option -g utf8 on 2>/dev/null
+	$TMUX_CMD_PATH set-option -g utf8 on 2>/dev/null
 
 	# enable utf8 in tmux status-left and status-right (option removed in tmux 2.2)
-	tmux set-option -g status-utf8 on 2>/dev/null
+	$TMUX_CMD_PATH set-option -g status-utf8 on 2>/dev/null
 
 	# address vim mode switching delay (http://superuser.com/a/252717/65504)
 	if server_option_value_not_changed "escape-time" "500"; then
-		tmux set-option -s escape-time 0
+		$TMUX_CMD_PATH set-option -s escape-time 0
 	fi
 
 	# increase scrollback buffer size
 	if option_value_not_changed "history-limit" "2000"; then
-		tmux set-option -g history-limit 50000
+		$TMUX_CMD_PATH set-option -g history-limit 50000
 	fi
 
 	# tmux messages are displayed for 4 seconds
 	if option_value_not_changed "display-time" "750"; then
-		tmux set-option -g display-time 4000
+		$TMUX_CMD_PATH set-option -g display-time 4000
 	fi
 
 	# refresh 'status-left' and 'status-right' more often
 	if option_value_not_changed "status-interval" "15"; then
-		tmux set-option -g status-interval 5
+		$TMUX_CMD_PATH set-option -g status-interval 5
 	fi
 
 	# required (only) on OS X
 	if is_osx && command_exists "reattach-to-user-namespace" && option_value_not_changed "default-command" ""; then
-		tmux set-option -g default-command "reattach-to-user-namespace -l $SHELL"
+		$TMUX_CMD_PATH set-option -g default-command "reattach-to-user-namespace -l $SHELL"
 	fi
 
 	# upgrade $TERM, tmux 1.9
 	if option_value_not_changed "default-terminal" "screen"; then
-		tmux set-option -g default-terminal "screen-256color"
+		$TMUX_CMD_PATH set-option -g default-terminal "screen-256color"
 	fi
 	# upgrade $TERM, tmux 2.0+
 	if server_option_value_not_changed "default-terminal" "screen"; then
-		tmux set-option -s default-terminal "screen-256color"
+		$TMUX_CMD_PATH set-option -s default-terminal "screen-256color"
 	fi
 
 	# emacs key bindings in tmux command prompt (prefix + :) are better than
 	# vi keys, even for vim users
-	tmux set-option -g status-keys emacs
+	$TMUX_CMD_PATH set-option -g status-keys emacs
 
 	# focus events enabled for terminals that support them
-	tmux set-option -g focus-events on
+	$TMUX_CMD_PATH set-option -g focus-events on
 
 	# super useful when using "grouped sessions" and multi-monitor setup
 	if ! iterm_terminal; then
-		tmux set-window-option -g aggressive-resize on
+		$TMUX_CMD_PATH set-window-option -g aggressive-resize on
 	fi
 
 	# DEFAULT KEY BINDINGS
@@ -128,34 +134,34 @@ main() {
 	if [ $prefix != "C-b" ]; then
 		# unbind obsolete default binding
 		if key_binding_not_changed "C-b" "send-prefix"; then
-			tmux unbind-key C-b
+			$TMUX_CMD_PATH unbind-key C-b
 		fi
 
 		# pressing `prefix + prefix` sends <prefix> to the shell
 		if key_binding_not_set "$prefix"; then
-			tmux bind-key "$prefix" send-prefix
+			$TMUX_CMD_PATH bind-key "$prefix" send-prefix
 		fi
 	fi
 
 	# If Ctrl-a is prefix then `Ctrl-a + a` switches between alternate windows.
 	# Works for any prefix character.
 	if key_binding_not_set "$prefix_without_ctrl"; then
-		tmux bind-key "$prefix_without_ctrl" last-window
+		$TMUX_CMD_PATH bind-key "$prefix_without_ctrl" last-window
 	fi
 
 	# easier switching between next/prev window
 	if key_binding_not_set "C-p"; then
-		tmux bind-key C-p previous-window
+		$TMUX_CMD_PATH bind-key C-p previous-window
 	fi
 	if key_binding_not_set "C-n"; then
-		tmux bind-key C-n next-window
+		$TMUX_CMD_PATH bind-key C-n next-window
 	fi
 
 	# source `.tmux.conf` file - as suggested in `man tmux`
 	if key_binding_not_set "R"; then
-		tmux bind-key R run-shell ' \
-			tmux source-file ~/.tmux.conf > /dev/null; \
-			tmux display-message "Sourced .tmux.conf!"'
+		$TMUX_CMD_PATH bind-key R run-shell ' \
+			$TMUX_CMD_PATH source-file ~/.tmux.conf > /dev/null; \
+			$TMUX_CMD_PATH display-message "Sourced .tmux.conf!"'
 	fi
 }
 main