1 files changed, 6 insertions, 2 deletions
diff --git a/plugins/Overlay/javascripts/Piwik_Overlay.js b/plugins/Overlay/javascripts/Piwik_Overlay.js
index 184b7c75db..35584be177 100644
--- a/plugins/Overlay/javascripts/Piwik_Overlay.js
+++ b/plugins/Overlay/javascripts/Piwik_Overlay.js
@@ -240,13 +240,17 @@ var Piwik_Overlay = (function () {
                 if (segment) {
                     unescapedSegment = unescape(segment);
                 }
-                DataTable_RowActions_Transitions.launchForUrl(iframeCurrentPageNormalized, unescapedSegment);
+                if (window.DataTable_RowActions_Transitions) {
+                    DataTable_RowActions_Transitions.launchForUrl(iframeCurrentPageNormalized, unescapedSegment);
+                }
                 return false;
             });
 
             // handle row evolution link
             $rowEvolutionLink.click(function () {
-                DataTable_RowActions_RowEvolution.launch('Actions.getPageUrls', iframeCurrentActionLabel);
+                if (window.DataTable_RowActions_RowEvolution) {
+                    DataTable_RowActions_RowEvolution.launch('Actions.getPageUrls', iframeCurrentActionLabel);
+                }
                 return false;
             });