diff --git a/changes/24636-UI-redirect-for-invalid-url-param b/changes/24636-UI-redirect-for-invalid-url-param
new file mode 100644
index 0000000000..6bd50ab9ab
--- /dev/null
+++ b/changes/24636-UI-redirect-for-invalid-url-param
@@ -0,0 +1 @@
+* Redirect when user provides an invalid URL param for fleet-maintained software id
diff --git a/frontend/pages/SoftwarePage/SoftwareAddPage/SoftwareFleetMaintained/FleetMaintainedAppDetailsPage/FleetMaintainedAppDetailsPage.tsx b/frontend/pages/SoftwarePage/SoftwareAddPage/SoftwareFleetMaintained/FleetMaintainedAppDetailsPage/FleetMaintainedAppDetailsPage.tsx
index 5d88909a07..657851e5b2 100644
--- a/frontend/pages/SoftwarePage/SoftwareAddPage/SoftwareFleetMaintained/FleetMaintainedAppDetailsPage/FleetMaintainedAppDetailsPage.tsx
+++ b/frontend/pages/SoftwarePage/SoftwareAddPage/SoftwareFleetMaintained/FleetMaintainedAppDetailsPage/FleetMaintainedAppDetailsPage.tsx
@@ -98,6 +98,9 @@ const FleetMaintainedAppDetailsPage = ({
 }: IFleetMaintainedAppDetailsPageProps) => {
   const teamId = location.query.team_id;
   const appId = parseInt(routeParams.id, 10);
+  if (isNaN(appId)) {
+    router.push(PATHS.SOFTWARE_ADD_FLEET_MAINTAINED);
+  }
 
   const { renderFlash } = useContext(NotificationContext);
   const { isPremiumTier } = useContext(AppContext);