diff --git a/index.js b/index.js
index 01af3f3..517fea8 100644
--- a/index.js
+++ b/index.js
@@ -256,9 +256,10 @@ async function handleMessage(event, room) {
 async function handleReaction(event, room) {
   const state = await db.getObjectDefault(`/rooms/${room}/state`);
   if (state == "groups") {
-    const stateData = await db.getData(`/rooms/${room}/stateData`);
+    const stateData = await db.getObjectDefault(`/rooms/${room}/stateData`);
     if (event.sender.userId != stateData.sender) return;
     if (event.event.content["m.relates_to"].key == "✅") {
+      if (!stateData.groups) stateData.groups = {};
       await db.push(`/rooms/${room}/groups`, Object.values(stateData.groups));
       await db.delete(`/rooms/${room}/stateData`);
       await db.delete(`/rooms/${room}/state`);