diff --git a/ext/bg/js/database.js b/ext/bg/js/database.js
index effa50a6..269ad57e 100644
--- a/ext/bg/js/database.js
+++ b/ext/bg/js/database.js
@@ -110,6 +110,10 @@ class Database {
         this.db = null;
     }
 
+    isPrepared() {
+        return this.db !== null;
+    }
+
     async purge() {
         this._validate();