diff --git a/gio/gcharsetconverter.h b/gio/gcharsetconverter.h
index a173acc37..fcf4aa497 100644
--- a/gio/gcharsetconverter.h
+++ b/gio/gcharsetconverter.h
@@ -49,6 +49,7 @@ GCharsetConverter *g_charset_converter_new            (const gchar  *to_charset,
 void               g_charset_converter_set_use_fallback (GCharsetConverter *converter,
 							 gboolean use_fallback);
 gboolean           g_charset_converter_get_use_fallback (GCharsetConverter *converter);
+guint              g_charset_converter_get_num_fallbacks (GCharsetConverter *converter);
 
 G_END_DECLS