diff --git a/sticker/stickerimport.py b/sticker/stickerimport.py
index f153e98..39659d3 100644
--- a/sticker/stickerimport.py
+++ b/sticker/stickerimport.py
@@ -45,7 +45,7 @@ def add_meta(document: Document, info: matrix.StickerInfo, pack: StickerSetFull)
         if isinstance(attr, DocumentAttributeSticker):
             info["body"] = attr.alt
     info["id"] = f"tg-{document.id}"
-    info["net.maunium.telegram.sticker"] = {
+    info["info"]["net.maunium.telegram.sticker"] = {
         "pack": {
             "id": str(pack.set.id),
             "short_name": pack.set.short_name,
@@ -73,7 +73,7 @@ async def reupload_pack(client: TelegramClient, pack: StickerSetFull, output_dir
     try:
         with util.open_utf8(pack_path) as pack_file:
             existing_pack = json.load(pack_file)
-            already_uploaded = {int(sticker["net.maunium.telegram.sticker"]["id"]): sticker
+            already_uploaded = {int(sticker["info"]["net.maunium.telegram.sticker"]["id"]): sticker
                                 for sticker in existing_pack["stickers"]}
             print(f"Found {len(already_uploaded)} already reuploaded stickers")
     except FileNotFoundError:
@@ -97,7 +97,7 @@ async def reupload_pack(client: TelegramClient, pack: StickerSetFull, output_dir
             # If there was no sticker metadata, use the first emoji we find
             if doc["body"] == "":
                 doc["body"] = sticker.emoticon
-            doc["net.maunium.telegram.sticker"]["emoticons"].append(sticker.emoticon)
+            doc["info"]["net.maunium.telegram.sticker"]["emoticons"].append(sticker.emoticon)
 
     with util.open_utf8(pack_path, "w") as pack_file:
         json.dump({
diff --git a/web/src/widget-api.js b/web/src/widget-api.js
index fa72165..c94a091 100644
--- a/web/src/widget-api.js
+++ b/web/src/widget-api.js
@@ -47,6 +47,11 @@ window.onmessage = event => {
 }
 
 export function sendSticker(content) {
+	if (content["info"]["net.maunium.telegram.sticker"] === undefined) {
+		// Old sticker, move the property to its new location
+		content["info"]["net.maunium.telegram.sticker"] = content["net.maunium.telegram.sticker"];
+		delete content["net.maunium.telegram.sticker"];
+	}
 	const data = {
 		content: { ...content },
 		// `name` is for Element Web (and also the spec)