diff --git a/.vscode/launch.json b/.vscode/launch.json
index 437feb4..b95c351 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -9,6 +9,10 @@
             "type": "python",
             "request": "launch",
             "module": "kiwi_simple_metrics.main",
+            "env": {
+                "METRIC_DISK__THRESHOLD": "85", // workaround!
+                "METRIC_DISK__PARAMS": "[\"/var\", \"/\"]",
+            },
             "justMyCode": true
         }
     ]
diff --git a/kiwi_simple_metrics/settings.py b/kiwi_simple_metrics/settings.py
index 40a2543..2ac035a 100644
--- a/kiwi_simple_metrics/settings.py
+++ b/kiwi_simple_metrics/settings.py
@@ -24,17 +24,9 @@ class Settings(BaseSettings):
         env_nested_delimiter="__",
     )
 
-    cpu: MetricS = MetricS(
-        threshold=100,
-    )
-
-    memory: MetricS = MetricS(
-        threshold=90,
-    )
-
-    disk: ParamMS = ParamMS(
-        threshold=85,
-    )
+    cpu: MetricS = MetricS(threshold=100)
+    memory: MetricS = MetricS(threshold=90)
+    disk: ParamMS = ParamMS(threshold=85)
 
 
 SETTINGS = Settings()
diff --git a/min_fail_example.py b/min_fail_example.py
new file mode 100644
index 0000000..c812183
--- /dev/null
+++ b/min_fail_example.py
@@ -0,0 +1,25 @@
+from pydantic import BaseModel
+
+
+class SubModel(BaseModel):
+    optional: int = 42
+    required: str
+
+
+class Settings(BaseModel):
+    sub: SubModel = SubModel(required="foo")
+    sub2: SubModel = SubModel(required="bar")
+
+
+def main() -> None:
+    settings = Settings.model_validate({
+        "sub": {"optional": "69"},
+    })
+
+    # settings = Settings()
+
+    print(settings.model_dump())
+
+
+if __name__ == "__main__":
+    main()