diff --git a/binaries/data/mods/public/simulation/components/SkirmishReplacer.js b/binaries/data/mods/public/simulation/components/SkirmishReplacer.js
index 08911888bd..1478820d53 100644
--- a/binaries/data/mods/public/simulation/components/SkirmishReplacer.js
+++ b/binaries/data/mods/public/simulation/components/SkirmishReplacer.js
@@ -35,7 +35,7 @@ SkirmishReplacer.prototype.ReplaceEntities = function()
 	var cmpTemplateManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_TemplateManager);
 	var templateName = cmpTemplateManager.GetCurrentTemplateName(this.entity);
 
-	let specialFilters = templateName.split("|").splice(0, -1).join("|") + "|";
+	let specialFilters = templateName.split("|").slice(0, -1).join("|") + "|";
 	templateName = removeFiltersFromTemplateName(templateName);
 
 	if (templateName in replacementEntities)