diff --git a/pkg/temperature/ds18b20.go b/pkg/temperature/ds18b20.go
index 85829e4..cbe5115 100644
--- a/pkg/temperature/ds18b20.go
+++ b/pkg/temperature/ds18b20.go
@@ -223,12 +223,12 @@ func read(sensor string) (int64, error) {
 	raw := string(data)
 
 	if !strings.Contains(raw, " YES") {
-		return 0.0, fmt.Errorf("%w: checksum failed", ErrReadSensor)
+		return 0.0, fmt.Errorf("%w: checksum failed [%v]", ErrReadSensor, raw)
 	}
 
 	i := strings.LastIndex(raw, "t=")
 	if i == -1 {
-		return 0.0, fmt.Errorf("%w: t= not found", ErrReadSensor)
+		return 0.0, fmt.Errorf("%w: t= not found in [%v]", ErrReadSensor, raw)
 	}
 
 	c, err := strconv.ParseInt(raw[i+2:len(raw)-1], 10, 64)