diff --git a/core/site.go b/core/site.go
index 02764fbd3..e1f5a6532 100644
--- a/core/site.go
+++ b/core/site.go
@@ -850,7 +850,7 @@ func (site *Site) sitePower(totalChargePower, flexiblePower float64) (float64, b
 		} else {
 			// if battery is above bufferSoc allow using it for charging
 			batteryBuffered = site.bufferSoc > 0 && site.battery.Soc > site.bufferSoc
-			batteryStart = site.bufferStartSoc > 0 && site.battery.Soc > site.bufferStartSoc
+			batteryStart = site.bufferStartSoc > 0 && site.battery.Soc >= site.bufferStartSoc
 		}
 	}