diff --git a/ChangeLog b/ChangeLog
index 691273fc6..b32de1b10 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-08-28  Colin Watson  <cjwatson@ubuntu.com>
+
+	* normal/cmdline.c (grub_cmdline_get): Supply a format string as
+	the first argument to grub_printf.
+
 2009-08-28  Colin Watson  <cjwatson@ubuntu.com>
 2009-08-28  Robert Millan  <rmh.grub@aybabtu.com>
 
diff --git a/normal/cmdline.c b/normal/cmdline.c
index 56f892121..7a5b6ec84 100644
--- a/normal/cmdline.c
+++ b/normal/cmdline.c
@@ -273,7 +273,7 @@ grub_cmdline_get (const char *prompt, char cmdline[], unsigned max_len,
   if ((grub_getxy () >> 8) != 0)
     grub_putchar ('\n');
 
-  grub_printf (prompt);
+  grub_printf ("%s", prompt);
 
   xpos = plen;
   ystart = ypos = (grub_getxy () & 0xFF);