diff --git a/bundles/telegraf/items.py b/bundles/telegraf/items.py
index a4b52da..6ce978b 100644
--- a/bundles/telegraf/items.py
+++ b/bundles/telegraf/items.py
@@ -1,5 +1,3 @@
-metadata = node.metadata['telegraf']
-
 telegraf_config = {
     'agent': {
         'collection_jitter': '5s',
@@ -45,19 +43,23 @@ telegraf_config = {
         'nstat': [{}],
         'processes': [{}],
         'system': [{}],
-        **metadata.get('input_plugins', {}).get('builtin', {}),
+        **node.metadata.get('telegraf/input_plugins/builtin', {}),
     },
     'outputs': {
         'influxdb_v2': [{
-            'urls': [metadata['influxdb_url']],
-            'token': metadata['influxdb_token'],
-            'organization': metadata['influxdb_org'],
-            'bucket': metadata['influxdb_bucket'],
+            'urls': [node.metadata['telegraf']['influxdb_url']],
+            'token': node.metadata['telegraf']['influxdb_token'],
+            'organization': node.metadata['telegraf']['influxdb_org'],
+            'bucket': node.metadata['telegraf']['influxdb_bucket'],
         }],
     },
 }
 
-for config in metadata.get('input_plugins', {}).get('exec', {}).values():
+# Bundlewrap can't merge lists. To work around this, telegraf/input_plugins/exec
+# is a dict, of which we only use the value of it. This also allows us
+# to overwrite values set by metadata defaults/reactors in node and group
+# metadata, if needed.
+for config in node.metadata.get('telegraf/input_plugins/exec', {}).values():
     if 'exec' not in telegraf_config['inputs']:
         telegraf_config['inputs']['exec'] = []