diff --git a/pkg/metrics/providers/datadog.go b/pkg/metrics/providers/datadog.go
index 496f2568..4ca0fa32 100644
--- a/pkg/metrics/providers/datadog.go
+++ b/pkg/metrics/providers/datadog.go
@@ -143,16 +143,20 @@ func (p *DatadogProvider) RunQuery(query string) (float64, error) {
 		return 0, fmt.Errorf("invalid response: %s: %w", string(b), ErrNoValuesFound)
 	}
 
+	// in case of more than one series in the response, pick the first time series from the response
 	pl := res.Series[0].Pointlist
 	if len(pl) < 1 {
 		return 0, fmt.Errorf("invalid response: %s: %w", string(b), ErrNoValuesFound)
 	}
 
-	vs := pl[len(pl)-1]
+	// pick the first (oldest) timestamp/value pair from the time series, at the beginning of the interval
+	// must not pick the newest one from the end of the interval, since it almost always contains an incomplete bucket
+	vs := pl[0]
 	if len(vs) < 1 {
 		return 0, fmt.Errorf("invalid response: %s: %w", string(b), ErrNoValuesFound)
 	}
 
+	// return the second element of the pair: the value
 	return vs[1], nil
 }
 
diff --git a/pkg/metrics/providers/datadog_test.go b/pkg/metrics/providers/datadog_test.go
index 8bcb7aa0..0bc2de53 100644
--- a/pkg/metrics/providers/datadog_test.go
+++ b/pkg/metrics/providers/datadog_test.go
@@ -75,7 +75,7 @@ func TestDatadogProvider_RunQuery(t *testing.T) {
 				assert.GreaterOrEqual(t, to, now)
 			}
 
-			json := fmt.Sprintf(`{"series": [{"pointlist": [[1577232000000,29325.102158814265],[1577318400000,56294.46758591842],[1577404800000,%f]]}]}`, expected)
+			json := fmt.Sprintf(`{"series": [{"pointlist": [[1577232000000,%f],[1577318400000,56294.46758591842],[1577404800000,29325.102158814265]]}]}`, expected)
 			w.Write([]byte(json))
 		}))
 		defer ts.Close()