diff --git a/usr/share/rear/layout/prepare/Linux-s390/360_generate_dasd_format_code.sh b/usr/share/rear/layout/prepare/Linux-s390/360_generate_dasd_format_code.sh
index 14bb942ddb..c2ab22b4af 100644
--- a/usr/share/rear/layout/prepare/Linux-s390/360_generate_dasd_format_code.sh
+++ b/usr/share/rear/layout/prepare/Linux-s390/360_generate_dasd_format_code.sh
@@ -14,7 +14,7 @@ echo '#!/bin/bash' >"$DASD_FORMAT_CODE"
 # (in particular it shows the Linux device name <-> virtual device number mapping,
 # formatted / unformatted status and the number/size of blocks when formatted )
 echo "# Current output of 'lsdasd':" >>"$DASD_FORMAT_CODE"
-lsdasd | sed -e 's/^/# /' >>"$DASD_FORMAT_CODE"
+lsdasd | TextPrefix '# ' >>"$DASD_FORMAT_CODE"
 
 cat <<EOF >>"$DASD_FORMAT_CODE"