diff --git a/ruamoko/include/Object.h b/ruamoko/include/Object.h
index a5de0cdf9..9ab8c3700 100644
--- a/ruamoko/include/Object.h
+++ b/ruamoko/include/Object.h
@@ -7,11 +7,11 @@ typedef enum {
 } BOOL;
 
 @extern void (id object, integer code, string fmt, ...) obj_error;
-@extern void (id object, integer code, string fmt, ...) obj_verror;//FIXME not ...
+@extern void (id object, integer code, string fmt, @va_list args) obj_verror;
 //obj_error_handler (objc_error_handler func) obj_set_error_handler = #0;
 @extern IMP (id receiver, SEL op) obj_msg_lookup;
 @extern IMP (id receiver, SEL op) obj_msg_lookup_super;
-//retval_t (id receiver, SEL op, arglist_t) obj_msg_sendv;
+//retval_t (id receiver, SEL op, @va_list args) obj_msg_sendv;
 @extern (void []) (integer size) obj_malloc;
 @extern (void []) (integer size) obj_atomic_malloc;
 @extern (void []) (integer size) obj_valloc;
diff --git a/ruamoko/lib/Object.r b/ruamoko/lib/Object.r
index d97a156fe..59c9d4f63 100644
--- a/ruamoko/lib/Object.r
+++ b/ruamoko/lib/Object.r
@@ -2,13 +2,13 @@
 
 void (obj_module_t [] msg) __obj_exec_class = #0;
 void (id object, integer code, string fmt, ...) obj_error = #0;
-void (id object, integer code, string fmt, ...) obj_verror = #0;//FIXME not ...
+void (id object, integer code, string fmt, @va_list args) obj_verror = #0;
 //obj_error_handler (objc_error_handler func) obj_set_error_handler = #0;
 IMP (id receiver, SEL op) obj_msg_lookup = #0;
 IMP (id receiver, SEL op) obj_msg_lookup_super = #0;
 id (id receiver, SEL op, ...) obj_msgSend = #0;
 id (id receiver, SEL op, ...) obj_msgSend_super = #0;
-//retval_t (id receiver, SEL op, arglist_t) obj_msg_sendv = #0;
+//retval_t (id receiver, SEL op, @va_list args) obj_msg_sendv = #0;
 (void []) (integer size) obj_malloc = #0;
 (void []) (integer size) obj_atomic_malloc = #0;
 (void []) (integer size) obj_valloc = #0;