diff --git a/binaries/data/mods/public/simulation/ai/common-api-v2/entity.js b/binaries/data/mods/public/simulation/ai/common-api-v2/entity.js
index a2cc29fe51..ce60ecf8e5 100644
--- a/binaries/data/mods/public/simulation/ai/common-api-v2/entity.js
+++ b/binaries/data/mods/public/simulation/ai/common-api-v2/entity.js
@@ -127,7 +127,7 @@ var EntityTemplate = Class({
 	},
 
 	trainableEntities: function() {
-		if (!this._template.ProductionQueue)
+		if (!this._template.ProductionQueue || !this._template.ProductionQueue.Entities) 
 			return undefined;
 		var civ = this.civ();
 		var templates = this._template.ProductionQueue.Entities._string.replace(/\{civ\}/g, civ).split(/\s+/);
diff --git a/binaries/data/mods/public/simulation/ai/common-api/entity.js b/binaries/data/mods/public/simulation/ai/common-api/entity.js
index cb80c12b62..592dd71619 100644
--- a/binaries/data/mods/public/simulation/ai/common-api/entity.js
+++ b/binaries/data/mods/public/simulation/ai/common-api/entity.js
@@ -126,7 +126,7 @@ var EntityTemplate = Class({
 	},
 
 	trainableEntities: function() {
-		if (!this._template.ProductionQueue)
+		if (!this._template.ProductionQueue || !this._template.ProductionQueue.Entities) 
 			return undefined;
 		var civ = this.civ();
 		var templates = this._template.ProductionQueue.Entities._string.replace(/\{civ\}/g, civ).split(/\s+/);