Index: binaries/data/mods/public/simulation/components/UnitAI.js
===================================================================
--- binaries/data/mods/public/simulation/components/UnitAI.js
+++ binaries/data/mods/public/simulation/components/UnitAI.js
@@ -4546,6 +4546,11 @@
 	if (force)
 		return false;
 
+	// Abandon chase when the target garrisons, for else we will keep on walking.
+	let cmpTargetUnitAI = Engine.QueryInterface(target, IID_UnitAI);
+	if (cmpTargetUnitAI && cmpTargetUnitAI.IsGarrisoned() && !cmpTargetUnitAI.IsTurret())
+		return true;
+
 	// If we are guarding/escorting, don't abandon as long as the guarded unit is in target range of the attacker
 	if (this.isGuardOf)
 	{