diff --git a/ChangeLog b/ChangeLog
index 7d5437d29..33c4f100b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2007-06-30  Matthias Clasen  <mclasen@redhat.com>
+
+	* gtk/gtkbuilderparser.c (_gtk_builder_parse_boolean): 
+	Use g_ascii_strdown() instead of a rolling our own.
+
 2007-06-30  Johan Dahlin  <jdahlin@async.com.br>
 
 	* gtk/gtkbuilderparser.c: (_get_type_by_symbol), (parse_object),
diff --git a/gtk/gtkbuilderparser.c b/gtk/gtkbuilderparser.c
index dd1305b97..a1e31a118 100644
--- a/gtk/gtkbuilderparser.c
+++ b/gtk/gtkbuilderparser.c
@@ -183,9 +183,7 @@ _gtk_builder_parse_boolean (const gchar  *string,
     }
   else
     {
-      gchar *lower = g_strdup (string);
-      for (i = 0; i < strlen (string); i++)
-	lower[i] = g_ascii_tolower (string[i]);
+      gchar *lower = g_ascii_strdown (string, length);
       
       if (strcmp (lower, "yes") == 0 || strcmp (lower, "true") == 0)
 	*value = TRUE;