diff --git a/include/asterisk.h b/include/asterisk.h
index eed328e9d9..d83cc3dda6 100644
--- a/include/asterisk.h
+++ b/include/asterisk.h
@@ -176,6 +176,14 @@ struct ast_module;
 struct ast_variable;
 struct ast_str;
 
+#ifdef bzero
+#undef bzero
+#endif
+
+#ifdef bcopy
+#undef bcopy
+#endif
+
 #define bzero  0x__dont_use_bzero__use_memset_instead""
 #define bcopy  0x__dont_use_bcopy__use_memmove_instead()