diff --git a/src/grimoirelab_metrics/metrics_model.py b/src/grimoirelab_metrics/metrics_model.py
index 0dc73bb..6fae8b8 100644
--- a/src/grimoirelab_metrics/metrics_model.py
+++ b/src/grimoirelab_metrics/metrics_model.py
@@ -82,9 +82,7 @@ def calculate_score(self, metrics: Dict[str, float]) -> float:
             
         return {
             "value": probability,
-            "metadata": {
-                "ecosystem": self.ECOSYSTEM_NAME,
-                "model": self.MODEL_NAME,
-                "version": self.MODEL_VERSION
-            }
+            "scoring_model": self.ECOSYSTEM_NAME + "-" + self.MODEL_NAME + "-" \
+                + self.MODEL_VERSION
         }
+