diff --git a/ChangeLog b/ChangeLog
index ea2145770..ffe8911d8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-11-03  Samuel Thibault  <samuel.thibault@ens-lyon.org>
+
+	* util/grub.d/30_os-prober.in: Restore default behavior for unsupported
+	OSes.
+
 2009-11-02  Samuel Thibault  <samuel.thibault@ens-lyon.org>
 
 	* util/grub.d/30_os-prober.in: Add GNU/Hurd support
diff --git a/util/grub.d/30_os-prober.in b/util/grub.d/30_os-prober.in
index e14a07316..c5728866c 100644
--- a/util/grub.d/30_os-prober.in
+++ b/util/grub.d/30_os-prober.in
@@ -158,7 +158,7 @@ EOF
 }
 EOF
     ;;
-    hurd|*)
+    hurd)
       cat << EOF
 menuentry "${LONGNAME} (on ${DEVICE})" {
 EOF
@@ -182,5 +182,8 @@ EOF
 }
 EOF
     ;;
+    *)
+      echo "  ${LONGNAME} is not yet supported by grub-mkconfig." >&2
+    ;;
   esac
 done