diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 13a162f686..4b8025b85b 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,7 @@
+2007-11-26  Alan Modra  <amodra@bigpond.net.au>
+
+	* cxxfilt.c (demangle_it): Don't call printf without format string.
+
 2007-11-21  Hans-Peter Nilsson  <hp@axis.com>
 
 	* dwarf.c (display_debug_loc): Cast section_end - start to long
diff --git a/binutils/cxxfilt.c b/binutils/cxxfilt.c
index e0d1b3fa8e..770df9baf6 100644
--- a/binutils/cxxfilt.c
+++ b/binutils/cxxfilt.c
@@ -63,12 +63,12 @@ demangle_it (char *mangled_name)
   result = cplus_demangle (mangled_name + skip_first, flags);
 
   if (result == NULL)
-    printf (mangled_name);
+    printf ("%s", mangled_name);
   else
     {
       if (mangled_name[0] == '.')
 	putchar ('.');
-      printf (result);
+      printf ("%s", result);
       free (result);
     }
 }