diff --git a/app/Actions/Statistics/LoadEvents.php b/app/Actions/Statistics/LoadEvents.php
index adb3ea70..1584fee5 100644
--- a/app/Actions/Statistics/LoadEvents.php
+++ b/app/Actions/Statistics/LoadEvents.php
@@ -168,7 +168,9 @@ class LoadEvents
                 }
             }
 
-            $datasets[] = $val;
+            if ($val) {
+                $datasets[] = $val;
+            }
         }
 
         $data = [