diff --git a/pkg/cli/cli.go b/pkg/cli/cli.go
index d234e4a..3386a9a 100644
--- a/pkg/cli/cli.go
+++ b/pkg/cli/cli.go
@@ -86,7 +86,7 @@ func PrintSensors(cnf *config.Configuration, w io.Writer) error {
 		}
 
 		if sensor.I2CAddress != nil {
-			fmt.Fprintf(tw, "%v\t", *sensor.I2CAddress)
+			fmt.Fprintf(tw, "%v\t", string(*sensor.I2CAddress))
 		} else {
 			fmt.Fprintf(tw, "\t")
 		}
diff --git a/pkg/storage/logfile/logfile.go b/pkg/storage/logfile/logfile.go
index 940e55e..aca6727 100644
--- a/pkg/storage/logfile/logfile.go
+++ b/pkg/storage/logfile/logfile.go
@@ -7,20 +7,6 @@ import (
 	"github.com/go-flucky/flucky/pkg/types"
 )
 
-// Append adds an array of several measured values to a logfile
-func Append(logfile Logfile, measuredValues []*types.MeasuredValue) error {
-	allMeasuredValues, err := logfile.Read()
-	if err != nil {
-		return err
-	}
-	allMeasuredValues = append(allMeasuredValues, measuredValues...)
-	err = logfile.Write(allMeasuredValues)
-	if err != nil {
-		return err
-	}
-	return nil
-}
-
 // New returns a log file with basic functions for reading and writing data. The
 // file extension of the logfile is taken into account to format the logfile
 // into the correct format.