Index: binaries/data/mods/public/simulation/ai/petra/entityExtend.js
===================================================================
--- binaries/data/mods/public/simulation/ai/petra/entityExtend.js
+++ binaries/data/mods/public/simulation/ai/petra/entityExtend.js
@@ -168,8 +168,11 @@
 		return !target.decaying();
 
 	let antiCapture = target.defaultRegenRate();
-	if (target.isGarrisonHolder() && target.garrisoned())
-		antiCapture += target.garrisonRegenRate() * target.garrisoned().length;
+	if (target.isGarrisonHolder())
+	{
+		for (const garrisonedEntity of target.garrisoned())
+			antiCapture += target.garrisonRegenRate() * (gameState.getEntityById(garrisonedEntity).captureStrength() || 0);
+	}
 	if (target.decaying())
 		antiCapture -= target.territoryDecayRate();
 
Index: binaries/data/mods/public/simulation/ai/petra/garrisonManager.js
===================================================================
--- binaries/data/mods/public/simulation/ai/petra/garrisonManager.js
+++ binaries/data/mods/public/simulation/ai/petra/garrisonManager.js
@@ -316,7 +316,7 @@
 			return around.meleeSiege;
 		return holder.buffHeal() && ent.needsHeal();
 	case PETRA.GarrisonManager.TYPE_DECAY:
-		return this.decayingStructures.has(holder.id());
+		return ent.captureStrength() && this.decayingStructures.has(holder.id());
 	case PETRA.GarrisonManager.TYPE_EMERGENCY: // f.e. hero in regicide mode
 		if (holder.buffHeal() && ent.isHealable() && ent.healthLevel() < this.Config.garrisonHealthLevel.high)
 			return true;