wiki: only register popstate once

diff --git a/panikdb/static/js/combo.wiki.js b/panikdb/static/js/combo.wiki.js
index 21cfdc2a55f3e8f1123624ec4389fd7343e177b8..a38dcf6ab612e8a752e273e0e9d7bcffb6e1d2cc 100644 (file)
--- a/panikdb/static/js/combo.wiki.js
+++ b/panikdb/static/js/combo.wiki.js
@@ -510,7 +510,7 @@ function init_page() {
     });
   }
 
-  $(window).on('popstate', function(e) {
+  $(window).off('popstate').on('popstate', function(e) {
     load_page(location.href, false);
   });