diff --git a/.vscode/launch.json b/.vscode/launch.json
index f018c2c..e1aebf7 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -12,6 +12,7 @@
             "env": {
                 "METRIC__INTERVAL": "5",
                 "METRIC__LOG__ENABLED": "True",
+                "METRIC__EXTERNAL__ENABLED": "True",
                 "METRIC__EXTERNAL__EXECUTABLES": "[\"${workspaceFolder}/dummy-metric\"]",
             },
             "justMyCode": true
diff --git a/kiwi_simple_metrics/settings/metric.py b/kiwi_simple_metrics/settings/metric.py
index 9b3f71b..dc597b8 100644
--- a/kiwi_simple_metrics/settings/metric.py
+++ b/kiwi_simple_metrics/settings/metric.py
@@ -86,6 +86,7 @@ class DiskMS(MetricSettings):
 
 class ExternalMS(MetricSettings):
     name: str = "External Metric"
+    enabled: bool = False
     threshold: float = 0
 
     # path to executable files