diff --git a/app/mission-tab/[missionId]/page.tsx b/app/mission-tab/[missionId]/page.tsx
index c541162..852a255 100644
--- a/app/mission-tab/[missionId]/page.tsx
+++ b/app/mission-tab/[missionId]/page.tsx
@@ -546,7 +546,7 @@ export default function MissionTabDetailPage() {
                     return true;
                   };
                   return isValid(mission.leantimeProjectId);
-                })() && (() => {
+                })() && mission.leantimeProjectId && (() => {
                   // Build Leantime URL: agilite.slm-lab.net/projects/showProject/[projectId]
                   // If it's already a full URL, use it; otherwise build from ID
                   const leantimeUrl = mission.leantimeProjectId.startsWith('http')