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-rw-r--r--program/js/app.js1
1 files changed, 1 insertions, 0 deletions
diff --git a/program/js/app.js b/program/js/app.js
index e92078961..3d714b92b 100644
--- a/program/js/app.js
+++ b/program/js/app.js
@@ -574,6 +574,7 @@ function rcube_webmail()
this.treelist
.addEventListener('collapse', function(node) { ref.folder_collapsed(node) })
.addEventListener('expand', function(node) { ref.folder_collapsed(node) })
+ .addEventListener('beforeselect', function(node) { return !ref.busy; })
.addEventListener('select', function(node) { ref.triggerEvent('selectfolder', { folder:node.id, prefix:'rcmli' }) });
}