diff --git a/src/include/stddef.h b/src/include/stddef.h
index 8e69545c..c91a103f 100644
--- a/src/include/stddef.h
+++ b/src/include/stddef.h
@@ -10,8 +10,8 @@ FILE_LICENCE ( GPL2_ONLY );
 #define NULL ((void *)0)
 
 #undef offsetof
-#ifdef __compiler_offsetof
-#define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER)
+#if ( defined ( __GNUC__ ) && ( __GNUC__ > 3 ) )
+#define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER)
 #else
 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
 #endif