diff --git a/include/proto/activity.h b/include/proto/activity.h
index 673d274..26365ca 100644
--- a/include/proto/activity.h
+++ b/include/proto/activity.h
@@ -22,7 +22,7 @@
 #ifndef _PROTO_ACTIVITY_H
 #define _PROTO_ACTIVITY_H
 
-#include <common/config.h>
+#include <haproxy/api.h>
 #include <common/hathreads.h>
 #include <common/time.h>
 #include <types/activity.h>