diff --git a/scripts/verify-campaign-flow-data.mjs b/scripts/verify-campaign-flow-data.mjs
index d44ddfe..0a951c9 100644
--- a/scripts/verify-campaign-flow-data.mjs
+++ b/scripts/verify-campaign-flow-data.mjs
@@ -59,6 +59,9 @@ for (const flowKey of sortieFlowKeys) {
   assert(afterBattleId, `Sortie flow ${flowKey} has no afterBattleId`);
   if (afterBattleId) {
     assert(battleIds.has(afterBattleId), `Sortie flow ${flowKey} references unknown afterBattleId: ${afterBattleId}`);
+    if (battleIds.has(flowKey)) {
+      assert(afterBattleId === flowKey, `Sortie flow ${flowKey} afterBattleId points to ${afterBattleId}`);
+    }
   }
   assert(/\bpages\s*:/.test(flowBody), `Sortie flow ${flowKey} must provide story pages`);
   for (const fieldName of sortieFlowDisplayFields) {