Index: ps/trunk/binaries/data/mods/public/simulation/components/UnitAI.js
===================================================================
--- ps/trunk/binaries/data/mods/public/simulation/components/UnitAI.js
+++ ps/trunk/binaries/data/mods/public/simulation/components/UnitAI.js
@@ -247,7 +247,7 @@
 
 	// Called when being told to walk as part of a formation
 	"Order.FormationWalk": function(msg) {
-		if (!this.AbleToMove())
+		if (!this.IsFormationMember() || !this.AbleToMove())
 			return this.FinishOrder();
 
 		if (this.CanPack())