diff --git a/src/widgets/vikunja/component.jsx b/src/widgets/vikunja/component.jsx
index 67220ce67..0b591b2b2 100644
--- a/src/widgets/vikunja/component.jsx
+++ b/src/widgets/vikunja/component.jsx
@@ -26,10 +26,10 @@ export default function Component({ service }) {
     );
   }
 
-  const projects = projectsData.filter((project) => project.id);
+  const projects = projectsData.filter((project) => project.id > 0);
 
-  const vikunjaDefaultDueDate = new Date("0001-01-01T00:00:00Z");
-  const oneWeekFromNow = new Date(Date.now() + 7 * 24 * 60 * 60 * 1000);
+  const vikunjaDefaultDueDate = new Date("0001-01-01T00:00:00Z").getTime();
+  const oneWeekFromNow = new Date(Date.now() + 7 * 24 * 60 * 60 * 1000).getTime();
   const tasksWithDueDate = tasksData.filter((task) => task.dueDate > vikunjaDefaultDueDate);
   const tasks7d = tasksWithDueDate.filter((task) => task.dueDate <= oneWeekFromNow);
   const tasksOverdue = tasksWithDueDate.filter((task) => task.dueDate <= new Date(Date.now()));
diff --git a/src/widgets/vikunja/widget.js b/src/widgets/vikunja/widget.js
index 168a05cc2..4887adbeb 100644
--- a/src/widgets/vikunja/widget.js
+++ b/src/widgets/vikunja/widget.js
@@ -16,7 +16,7 @@ const widget = {
           id: task.id,
           title: task.title,
           priority: task.priority,
-          dueDate: new Date(task.due_date),
+          dueDate: new Date(task.due_date).getTime(),
           inProgress: task.percent_done > 0 && task.percent_done < 1,
         })),
     },