diff --git a/db/routines/R__022_fn_fill_forecast_accuracy.sql b/db/routines/R__022_fn_fill_forecast_accuracy.sql
index bf74222..826e2a4 100644
--- a/db/routines/R__022_fn_fill_forecast_accuracy.sql
+++ b/db/routines/R__022_fn_fill_forecast_accuracy.sql
@@ -148,7 +148,19 @@ BEGIN
               AND pa2.telemetry_group = pa.telemetry_group
               AND pa2.telemetry_source = pa.telemetry_source
               AND fpi2.interval_start = fpi.interval_start
-              AND fpr2.id = fpr.id
+              AND fpr2.status = 'ok'
+              -- Forecast runs jsou per pv_array_id, ale typicky vznikají v jednom batchi.
+              -- Aby group součet seděl, párujeme runy podle "stejného okamžiku vytvoření" (1min bucket).
+              AND date_bin(
+                    interval '1 minute',
+                    fpr2.created_at,
+                    timestamptz '1970-01-01T00:00:00Z'
+                  )
+                  = date_bin(
+                      interval '1 minute',
+                      fpr.created_at,
+                      timestamptz '1970-01-01T00:00:00Z'
+                    )
         )
         SELECT
             CASE