diff --git a/binaries/data/mods/public/simulation/ai/petra/worker.js b/binaries/data/mods/public/simulation/ai/petra/worker.js
index 9bae66f62e..110c2cf450 100644
--- a/binaries/data/mods/public/simulation/ai/petra/worker.js
+++ b/binaries/data/mods/public/simulation/ai/petra/worker.js
@@ -52,10 +52,24 @@ m.Worker.prototype.update = function(gameState, ent)
 	let unitAIStateOrder = unitAIState.split(".")[1];
 	// If we're fighting or hunting, let's not start gathering
 	// but for fishers where UnitAI must have made us target a moving whale.
+	// Also, if we are attacking, do not capture
 	if (unitAIStateOrder === "COMBAT")
 	{
 		if (subrole === "fisher")
 			this.startFishing(gameState);
+		else if (unitAIState === "INDIVIDUAL.COMBAT.ATTACKING" && ent.unitAIOrderData().length &&
+			!ent.getMetadata(PlayerID, "PartOfArmy"))
+		{
+			let orderData = ent.unitAIOrderData()[0];
+			if (orderData && orderData.target && orderData.attackType && orderData.attackType === "Capture")
+			{
+				// If we are here, an enemy structure must have targeted one of our workers
+				// and UnitAI sent it fight back with allowCapture=true
+				let target = gameState.getEntityById(orderData.target);
+				if (target && target.owner() > 0 && !gameState.isPlayerAlly(target.owner()))
+					ent.attack(orderData.target, false);
+			}
+		}
 		return;
 	}