diff --git a/powerline/segments/tmux.py b/powerline/segments/tmux.py
index b26824dc..1f343893 100644
--- a/powerline/segments/tmux.py
+++ b/powerline/segments/tmux.py
@@ -11,12 +11,12 @@ def attached_clients(pl, minimum=1):
 		The minimum number of attached clients that must be present for this 
 		segment to be visible.
 	'''
-	session_output = get_tmux_output('list-panes', '-F', '#{session_name}')
+	session_output = get_tmux_output(pl, 'list-panes', '-F', '#{session_name}')
 	if not session_output:
 		return None
 	session_name = session_output.rstrip().split('\n')[0]
 
-	attached_clients_output = get_tmux_output('list-clients', '-t', session_name)
+	attached_clients_output = get_tmux_output(pl, 'list-clients', '-t', session_name)
 	attached_count = len(attached_clients_output.rstrip().split('\n'))
 
 	return None if attached_count < minimum else str(attached_count)