diff --git a/src/mlpccg/database.ts b/src/mlpccg/database.ts
index a9dd537..c4b9aae 100644
--- a/src/mlpccg/database.ts
+++ b/src/mlpccg/database.ts
@@ -1,10 +1,10 @@
 import Dexie from "dexie";
-import { Card, CardFilter, StoredImages } from "./types";
+import { Card, CardFilter, StoredImage } from "./types";
 import { cardFullName } from "./card";
 
 class CardDatabase extends Dexie {
   public cards: Dexie.Table<Card, string>;
-  public images: Dexie.Table<StoredImages, string>;
+  public images: Dexie.Table<StoredImage, string>;
 
   public constructor() {
     super("CardDatabase");
@@ -155,6 +155,9 @@ export async function getCards(filter: CardFilter) {
 }
 
 export async function cardFromIDs(cardIDs: string[]): Promise<Card[]> {
+  if (Database == null) {
+    throw new Error("Database was not initialized, init with 'initDB()'");
+  }
   let table = Database.cards;
   //TODO Replace with .bulkGet when upgrading to Dexie 3.x
   return await table
diff --git a/src/mlpccg/types.ts b/src/mlpccg/types.ts
index 7a8e6d3..85e1b4c 100644
--- a/src/mlpccg/types.ts
+++ b/src/mlpccg/types.ts
@@ -2,7 +2,7 @@ export type Rarity = "C" | "U" | "R" | "SR" | "UR" | "RR";
 
 export type PowerRequirement = { [key: string]: number };
 
-export interface StoredImages {
+export interface StoredImage {
   id: string;
   image: Blob;
 }