diff --git a/UI/WebServerResources/SchedulerUI.js b/UI/WebServerResources/SchedulerUI.js
index b3d3a8a57..30a84af95 100644
--- a/UI/WebServerResources/SchedulerUI.js
+++ b/UI/WebServerResources/SchedulerUI.js
@@ -1984,7 +1984,7 @@ function uploadCompleted (response) {
 
     var div = $("uploadResults");
     $("uploadOK").onclick = hideImportResults;
-    if (data.imported <= 0)
+    if (data.imported < 0)
       $("uploadResultsContent").update (getLabel("An error occured while importing calendar."));
     else {
         $("uploadResultsContent").update (getLabel("Imported events:") + " " + data.imported);