diff --git a/powerline/config_files/themes/tmux/default.json b/powerline/config_files/themes/tmux/default.json
index d4f12d43..eb5d7e6d 100644
--- a/powerline/config_files/themes/tmux/default.json
+++ b/powerline/config_files/themes/tmux/default.json
@@ -52,7 +52,7 @@
 			},
 			{
 				"name": "email_imap_alert",
-				"priority": 10,
+				"priority": 10
 			},
 			{
 				"name": "hostname"