diff --git a/src/Umbraco.Web.UI.Client/src/common/services/tour.service.js b/src/Umbraco.Web.UI.Client/src/common/services/tour.service.js
index 97e6f4a3b7..6b43eddae3 100644
--- a/src/Umbraco.Web.UI.Client/src/common/services/tour.service.js
+++ b/src/Umbraco.Web.UI.Client/src/common/services/tour.service.js
@@ -17,6 +17,7 @@
          * Registers all tours from the server and returns a promise
          */
         function registerAllTours() {
+            tours = [];
             return tourResource.getTours().then(function(tourFiles) {
                 angular.forEach(tourFiles, function (tourFile) {
                     angular.forEach(tourFile, function(newTour) {