diff --git a/pages/api/schedules/[id].ts b/pages/api/schedules/[id].ts
index 59c78ea12b..9dbb75470a 100644
--- a/pages/api/schedules/[id].ts
+++ b/pages/api/schedules/[id].ts
@@ -16,6 +16,7 @@ export async function scheduleById(
   body = safeParseJSON(body);
   if (!body.success) {
     res.status(400).json({ message: body.message });
+    return;
   }
 
   const safeBody = schemaSingleScheduleBodyParams.safeParse(body);
diff --git a/pages/api/schedules/index.ts b/pages/api/schedules/index.ts
index 86faad4181..10536f5cea 100644
--- a/pages/api/schedules/index.ts
+++ b/pages/api/schedules/index.ts
@@ -16,7 +16,7 @@ async function createOrlistAllSchedules(
   res: NextApiResponse<SchedulesResponse | ScheduleResponse>
 ) {
   body = safeParseJSON(body);
-  if (!body.success) {
+  if (body.success !== undefined && !body.success) {
     res.status(400).json({ message: body.message });
     return;
   }