diff --git a/extension/iap/Inventory.hx b/extension/iap/Inventory.hx
index 17ec648..13b8a64 100644
--- a/extension/iap/Inventory.hx
+++ b/extension/iap/Inventory.hx
@@ -9,7 +9,7 @@ class Inventory
 {
 
 	public var productDetailsMap(default, null): Map<String, ProductDetails>;
-	public var purchaseMap(default, null): Map<String, Purchase>;
+	public var purchaseMap(default, null): Map<String, Array<Purchase>>;
 	
 	public function new(?dynObj:Dynamic) 
 	{
@@ -32,7 +32,10 @@ class Inventory
 				
 				for (dynItm in dynPurchases) {
 					var p = new Purchase(Reflect.field(dynItm, "value"), Reflect.field(dynItm, "itemType"), Reflect.field(dynItm, "signature"));
-					purchaseMap.set(cast Reflect.field(dynItm, "key"), p);
+					var key = cast Reflect.field(dynItm, "key");
+					if(!purchaseMap.exists(key))
+						purchaseMap.set(key, []);
+					purchaseMap.get(key).push(p);
 				}
 				
 			}
@@ -47,8 +50,13 @@ class Inventory
 	}
 	
 	/** Returns purchase information for a given product, or null if there is no purchase. */
-    public function getPurchase(productId:String) :Purchase {
-        return purchaseMap.get(productId);
+    public function getPurchase(productId:String) :Array<Purchase> {
+		var p = purchaseMap.get(productId);
+		if(p == null) {
+			return p;
+		} else {
+			return [];
+		}
     }
 
     /** Returns whether or not there exists a purchase of the given product. */
diff --git a/extension/iap/ios/IAP.hx b/extension/iap/ios/IAP.hx
index b8b943f..e44e603 100644
--- a/extension/iap/ios/IAP.hx
+++ b/extension/iap/ios/IAP.hx
@@ -226,8 +226,11 @@ import haxe.Json;
 				var evt:IAPEvent = new IAPEvent (IAPEvent.PURCHASE_SUCCESS);
 				evt.purchase = new Purchase(inEvent);
 				evt.productID = evt.purchase.productID;
-				inventory.purchaseMap.set(evt.purchase.productID, evt.purchase);
-
+				var id:String = evt.productID;
+				if(!inventory.purchaseMap.exists(id)) {
+					inventory.purchaseMap.set(id, []);
+				}
+				inventory.purchaseMap.get(id).push(evt.purchase);
 				dispatchEvent (evt);
 
 			case "failed":