diff --git a/include/proto/protocol.h b/include/proto/protocol.h
index ee9e7e0..36162a0 100644
--- a/include/proto/protocol.h
+++ b/include/proto/protocol.h
@@ -27,7 +27,7 @@
 #include <types/protocol.h>
 
 extern struct protocol *__protocol_by_family[AF_CUST_MAX];
-__decl_hathreads(extern HA_SPINLOCK_T proto_lock);
+__decl_thread(extern HA_SPINLOCK_T proto_lock);
 
 /* Registers the protocol <proto> */
 void protocol_register(struct protocol *proto);