Index: binaries/data/mods/public/simulation/ai/petra/headquarters.js
===================================================================
--- binaries/data/mods/public/simulation/ai/petra/headquarters.js
+++ binaries/data/mods/public/simulation/ai/petra/headquarters.js
@@ -1922,8 +1922,7 @@
 	let barracksTemplate = this.canBuild(gameState, "structures/{civ}_barracks") ? "structures/{civ}_barracks" : undefined;
 
 	let rangeTemplate = this.canBuild(gameState, "structures/{civ}_range") ? "structures/{civ}_range" : undefined;
-	let numRanges = gameState.getOwnEntitiesByClass("Archery", true).length;
-	numBarracks -= numRanges;
+	let numRanges = gameState.getOwnEntitiesByClass("Range", true).length;
 
 	let stableTemplate = this.canBuild(gameState, "structures/{civ}_stables") ? "structures/{civ}_stables" :
 	                     this.canBuild(gameState, "structures/{civ}_stable") ? "structures/{civ}_stable" : undefined;