header duplicate

1 files changed, 4 insertions, 0 deletions

diff --git a/js/main.js b/js/main.js
index 01ca2e2..27bb2f5 100644
--- a/js/main.js
+++ b/js/main.js
@@ -118,6 +118,10 @@
     };
 
     OCA.Onlyoffice.ShowHeaderButton = function () {
+        if ($("#onlyofficeHeader").length) {
+            return;
+        }
+
         var wrapper = $("<div id='onlyofficeHeader' />")
 
         var btnClose = $("<a class='icon icon-close-white'></a>");