diff --git a/scripts/verify-campaign-save-normalization.mjs b/scripts/verify-campaign-save-normalization.mjs
index 1af1355..00e7512 100644
--- a/scripts/verify-campaign-save-normalization.mjs
+++ b/scripts/verify-campaign-save-normalization.mjs
@@ -286,6 +286,7 @@ try {
       roster: { corrupted: true },
       bonds: [
         { id: 'broken-bond', title: 'Broken Bond', unitIds: { corrupted: true }, level: 3, exp: 12, battleExp: 2 },
+        { id: 'self-bond', title: 'Self Bond', unitIds: ['liu-bei', 'liu-bei'], level: 2, exp: 12, battleExp: 2 },
         { id: 'oath-bond', title: 'Oath Bond', unitIds: ['liu-bei', 'guan-yu'], level: '2', exp: '999', battleExp: '5' },
         9
       ],
diff --git a/src/game/state/campaignState.ts b/src/game/state/campaignState.ts
index 2a6b99f..5774167 100644
--- a/src/game/state/campaignState.ts
+++ b/src/game/state/campaignState.ts
@@ -1386,7 +1386,7 @@ function normalizeCampBondSnapshot(value: unknown): CampBondSnapshot | undefined
   const unitIds = arrayOrEmpty<unknown>(value.unitIds).filter((unitId): unitId is string => typeof unitId === 'string' && unitId.length > 0);
   const id = normalizeKeyString(value.id);
   const title = normalizeDisplayString(value.title);
-  if (!id || !title || unitIds.length < 2) {
+  if (!id || !title || unitIds.length < 2 || unitIds[0] === unitIds[1]) {
     return undefined;
   }