Index: binaries/data/mods/public/simulation/components/Formation.js
===================================================================
--- binaries/data/mods/public/simulation/components/Formation.js
+++ binaries/data/mods/public/simulation/components/Formation.js
@@ -925,26 +925,37 @@
 
 Formation.prototype.OnGlobalEntityRenamed = function(msg)
 {
-	if (this.members.indexOf(msg.entity) != -1)
+	if (this.members.indexOf(msg.entity) == -1)
+		return;
+
+	this.offsets = undefined;
+	var cmpNewUnitAI = Engine.QueryInterface(msg.newentity, IID_UnitAI);
+	if (cmpNewUnitAI)
 	{
-		this.offsets = undefined;
-		var cmpNewUnitAI = Engine.QueryInterface(msg.newentity, IID_UnitAI);
-		if (cmpNewUnitAI)
-		{
-			this.members[this.members.indexOf(msg.entity)] = msg.newentity;
-			this.memberPositions[msg.newentity] = this.memberPositions[msg.entity];
-		}
+		this.members[this.members.indexOf(msg.entity)] = msg.newentity;
+		this.memberPositions[msg.newentity] = this.memberPositions[msg.entity];
 
-		var cmpOldUnitAI = Engine.QueryInterface(msg.entity, IID_UnitAI);
-		cmpOldUnitAI.SetFormationController(INVALID_ENTITY);
+		let cmpAuras = Engine.QueryInterface(msg.newentity, IID_Auras);
+		let auraIndex = this.formationMembersWithAura.indexOf(msg.entity);
+		if (auraIndex != -1 && cmpAuras && cmpAuras.hasFormationAura())
+			this.formationMembersWithAura[auraIndex] = msg.newentity;
+	}
 
-		if (cmpNewUnitAI)
-			cmpNewUnitAI.SetFormationController(this.entity);
+	var cmpOldUnitAI = Engine.QueryInterface(msg.entity, IID_UnitAI);
+	cmpOldUnitAI.SetFormationController(INVALID_ENTITY);
 
-		// Because the renamed entity might have different characteristics,
-		// (e.g. packed vs. unpacked siege), we need to recompute motion parameters
-		this.ComputeMotionParameters();
+	if (cmpNewUnitAI)
+		cmpNewUnitAI.SetFormationController(this.entity);
+
+	for (let ent of this.formationMembersWithAura)
+	{
+		let cmpAuras = Engine.QueryInterface(ent, IID_Auras);
+		cmpAuras.ApplyFormationBonus([msg.newentity]);
 	}
+
+	// Because the renamed entity might have different characteristics,
+	// (e.g. packed vs. unpacked siege), we need to recompute motion parameters
+	this.ComputeMotionParameters();
 };
 
 Formation.prototype.RegisterTwinFormation = function(entity)