diff --git a/util/grub-mkconfig.in b/util/grub-mkconfig.in
index e720b2a13..9de83c741 100644
--- a/util/grub-mkconfig.in
+++ b/util/grub-mkconfig.in
@@ -65,7 +65,7 @@ argument () {
   shift
 
   if test $# -eq 0; then
-      gettext_printf "%s: option requires an argument -- \`%s'\n" "$0" "$opt" 1>&2
+      gettext_printf "%s: option requires an argument -- \`%s'\n" "$self" "$opt" 1>&2
       exit 1
   fi
   echo $1
diff --git a/util/grub-reboot.in b/util/grub-reboot.in
index f0d93617c..71ebbdc6c 100644
--- a/util/grub-reboot.in
+++ b/util/grub-reboot.in
@@ -65,7 +65,7 @@ argument () {
   shift
 
   if test $# -eq 0; then
-      gettext_printf "%s: option requires an argument -- \`%s'\n" "$0" "$opt" 1>&2
+      gettext_printf "%s: option requires an argument -- \`%s'\n" "$self" "$opt" 1>&2
       exit 1
   fi
   echo $1
diff --git a/util/grub-set-default.in b/util/grub-set-default.in
index d607318ed..83a7be12f 100644
--- a/util/grub-set-default.in
+++ b/util/grub-set-default.in
@@ -63,7 +63,7 @@ argument () {
   shift
 
   if test $# -eq 0; then
-      gettext_printf "%s: option requires an argument -- \`%s'\n" "$0" "$opt" 1>&2
+      gettext_printf "%s: option requires an argument -- \`%s'\n" "$self" "$opt" 1>&2
       exit 1
   fi
   echo $1