diff --git a/ChangeLog b/ChangeLog
index ff7ca9c1cf..e9bdee92ba 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Sep 26 11:34:08 2008  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* variable.c (rb_define_hooked_variable): cast to get rid of compiler
+	  warnings.
+
 Fri Sep 26 11:05:41 2008  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* transcode.c, include/ruby/encoding.c (rb_transcode_convertible):
diff --git a/variable.c b/variable.c
index 1417de5703..a5fbf28f5f 100644
--- a/variable.c
+++ b/variable.c
@@ -474,8 +474,8 @@ rb_define_hooked_variable(
     id = global_id(name);
     gvar = rb_global_entry(id)->var;
     gvar->data = (void*)var;
-    gvar->getter = getter?getter:var_getter;
-    gvar->setter = setter?setter:var_setter;
+    gvar->getter = getter?(gvar_getter_t *)getter:var_getter;
+    gvar->setter = setter?(gvar_setter_t *)setter:var_setter;
     gvar->marker = var_marker;
 
     RB_GC_GUARD(tmp);