diff --git a/spec/indexeddb_spec.mjs b/spec/indexeddb_spec.mjs
index bcefaf1..6bc0ee5 100644
--- a/spec/indexeddb_spec.mjs
+++ b/spec/indexeddb_spec.mjs
@@ -4,4 +4,33 @@ describe("sanity check", () => {
     it("works", () => {
         expect(true).toBeTrue()
     })
+})
+
+describe("SlopDB Version 1", () => {
+
+    beforeEach(async () => {
+        const request = window.indexedDB.deleteDatabase("SlopDB")
+        const deletePromise = new Promise((resolve, reject) => {
+            request.onsuccess = () => {resolve()}
+            request.onerror = (err) => {
+                reject(err)
+            }
+        })
+        return deletePromise       
+    })
+
+    it("creates a version 1 indexeddb", async () => {
+        const slopdb_v1 = new SlopDB(1)
+        await slopdb_v1.db_opened()
+        expect(slopdb_v1.db).toBeDefined()
+
+        const transaction = slopdb_v1.start_transaction("slop", "readonly")
+        expect(transaction).toBeDefined()
+
+        try {
+            const bad_transaction = slopdb_v1.start_transaction("checkcache", "readonly")
+        } catch (error) {
+            expect(error.name).toBe("NotFoundError")
+        }
+    })
 })
\ No newline at end of file
diff --git a/src/indexed-db.mts b/src/indexed-db.mts
index 35bf6da..dfcbc81 100644
--- a/src/indexed-db.mts
+++ b/src/indexed-db.mts
@@ -34,15 +34,15 @@ export class IDBCursorValueIterator {
 
 
 export class SlopDB {
+    open_promise: Promise<IDBDatabase>
     db: IDBDatabase
 
     constructor(idb_version: number) {
-        this.open_database(idb_version).then((db) => {
-            this.db = db
-        }).catch((err) => {
-            console.log(err)
-            throw err
-        })
+        this.open_promise = this.open_database(idb_version)
+    }
+
+    async db_opened() {
+        this.db = await this.open_promise
     }
 
     apply_db_upgrade(db: IDBDatabase, idb_version: number) {
@@ -89,6 +89,7 @@ export class SlopDB {
     start_transaction(storeNames: string | Array<string>, mode: IDBTransactionMode, options: IDBTransactionOptions = undefined): IDBTransaction {
         return this.db.transaction(storeNames, mode, options)
     }
+
 }
 
 export class CheckCache {