diff --git a/microservices/power_control/Program.cs b/microservices/power_control/Program.cs
index 2519750..0e0ed46 100644
--- a/microservices/power_control/Program.cs
+++ b/microservices/power_control/Program.cs
@@ -101,12 +101,12 @@ app.MapGet(
 
 				var flux = """
                 from(bucket: "homeassistant")
-                  |> range(start: -1h)
+                  |> range(start: -5m)
                   |> filter(fn: (r) => r._measurement == "W")
                   |> filter(fn: (r) => r.domain == "sensor")
                   |> filter(fn: (r) => r.entity_id == "p1_meter_power")
                   |> filter(fn: (r) => r._field == "value")
-                  |> aggregateWindow(every: 5m, fn: mean, createEmpty: false)
+                  |> mean()
                   |> yield(name: "mean")
                 """;
 				var content = new StringContent(flux, Encoding.UTF8, "application/vnd.flux");