diff --git a/powerline/bindings/config.py b/powerline/bindings/config.py
index 83bab203..ab21d035 100644
--- a/powerline/bindings/config.py
+++ b/powerline/bindings/config.py
@@ -10,6 +10,8 @@ import re
 
 TmuxVersionInfo = namedtuple('TmuxVersionInfo', ('major', 'minor', 'suffix'))
 
+TMUX_CONFIG_DIRECTORY = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'tmux')
+
 
 def get_tmux_executable_name():
 	'''Returns tmux executable name
@@ -65,7 +67,7 @@ CONFIG_PRIORITY = {
 
 def list_all_tmux_configs():
 	'''List all version-specific tmux configuration files'''
-	directory = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'tmux')
+	directory = TMUX_CONFIG_DIRECTORY
 	for root, dirs, files in os.walk(directory):
 		dirs[:] = ()
 		for fname in files: