diff --git a/sys/ia64/include/stdarg.h b/sys/ia64/include/stdarg.h
index e8dde78f2d9..b2029b77d90 100644
--- a/sys/ia64/include/stdarg.h
+++ b/sys/ia64/include/stdarg.h
@@ -43,7 +43,7 @@
 
 typedef _BSD_VA_LIST_	va_list;
 
-#define va_start(list, parmN)	__builtin_stdarg_start(&(list), parmN)
+#define va_start(list, parmN)	__builtin_stdarg_start(list, parmN)
 #define va_end			__builtin_va_end
 #define va_arg			__builtin_va_arg