diff --git a/services/mill/wifi.go b/services/mill/wifi.go
index fc4a93f..33f4db8 100644
--- a/services/mill/wifi.go
+++ b/services/mill/wifi.go
@@ -78,7 +78,7 @@ func (w *WifiBridge) refresh() error {
 		return err
 	}
 
-	if w.state != nil {
+	if w.state == nil {
 		w.state = &device.State{
 			Temperature: gentools.Ptr(temp),
 		}