diff --git a/skeletons/asn_application.h b/skeletons/asn_application.h
index 3f2a450..f40cd86 100644
--- a/skeletons/asn_application.h
+++ b/skeletons/asn_application.h
@@ -36,8 +36,7 @@
 typedef void (asn_app_constraint_failed_f)(void *application_specific_key,
 	struct asn_TYPE_descriptor_s *type_descriptor_which_failed,
 	const void *structure_which_failed_ptr,
-	const char *error_message_format, ...)
-	__attribute__((format(printf, 4, 5)));
+	const char *error_message_format, ...) GCC_PRINTFLIKE(4, 5);
 
 #ifdef __cplusplus
 }