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-rw-r--r--program/js/app.js2
1 files changed, 1 insertions, 1 deletions
diff --git a/program/js/app.js b/program/js/app.js
index 666726cf0..d0b3bd0ca 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -1731,7 +1731,7 @@ function rcube_webmail()
{
var update, add_url = '';
- if (sort_col === null)
+ if (typeof sort_col == 'undefined')
sort_col = this.env.sort_col;
if (!sort_order)
sort_order = this.env.sort_order;