diff --git a/routes.py b/routes.py
index 05a2f2e..18c3fe6 100644
--- a/routes.py
+++ b/routes.py
@@ -134,10 +134,14 @@ def index():
     clean_mappings = {}
     if config.mappings:
         for key, value in config.mappings.items():
-            if value['report_id']:
+            if isinstance(value, dict):
                 clean_mappings[key] = value
             else:
-                clean_mappings[key] = {'report_id': value, 'schedule_cron': None, 'schedule_period': None}
+                clean_mappings[key] = {
+                    'report_id': value, 
+                    'schedule_cron': None, 
+                    'schedule_period': None
+                    }
     return render_template(
         'index.html',
         rms_config=config.get_rms_dict(),
@@ -479,7 +483,7 @@ def save_schedule():
         for sheet_title, params in updated_mappings.items():
             if not isinstance(params, dict):
                 continue
-            
+
             cron_value = request.form.get(f"cron-{sheet_title}", "").strip()
             period_value = request.form.get(f"period-{sheet_title}", "").strip()