diff --git a/pkg/util/mount/mount_linux.go b/pkg/util/mount/mount_linux.go
index c4f2650e4d8..39c76154155 100644
--- a/pkg/util/mount/mount_linux.go
+++ b/pkg/util/mount/mount_linux.go
@@ -126,7 +126,7 @@ func makeMountArgs(source, target, fstype string, options []string) []string {
 
 // Unmount unmounts the target.
 func (mounter *Mounter) Unmount(target string) error {
-	glog.V(5).Infof("Unmounting %s %v")
+	glog.V(5).Infof("Unmounting %s", target)
 	command := exec.Command("umount", target)
 	output, err := command.CombinedOutput()
 	if err != nil {