diff --git a/src/gtk/common/common.h.in b/src/gtk/common/common.h.in
index af6981a..25824c4 100644
--- a/src/gtk/common/common.h.in
+++ b/src/gtk/common/common.h.in
@@ -84,7 +84,7 @@
  gchar 		* build_data_filename(const gchar *first_element, ...);
 
 #ifdef WIN_REGISTRY_ENABLED
- HKEY		  get_registry_handle(const gchar *first_element,REGSAM samDesired);
+ gboolean	  get_registry_handle(const gchar *group, HKEY *hKey, REGSAM samDesired);
  void		  registry_foreach(HKEY parent, const gchar *name,void (*cbk)(const gchar *key, const gchar *val, gpointer *user_data), gpointer *user_data);
  void 		  registry_set_double(HKEY hKey, const gchar *key, gdouble value);
  gboolean	  registry_get_double(HKEY hKey, const gchar *key, gdouble *value);
--
libgit2 0.21.2