diff --git a/web/app.py b/web/app.py
index 9b37947..b646406 100644
--- a/web/app.py
+++ b/web/app.py
@@ -64,7 +64,11 @@ def create_app() -> flask.Flask:
         if not os.path.exists('data/tos.json'):
             open('data/tos.json', 'w', encoding='utf8').write('{}')
 
-        data = json.load(open('data/tos.json', encoding='utf8'))
+        try:
+            data = json.load(open('data/tos.json', encoding='utf8'))
+        except json.decoder.JSONDecodeError:
+            data = {}
+
         data[code] = emoji
         json.dump(data, open('data/tos.json', 'w', encoding='utf8'))