diff --git a/src/activity.c b/src/activity.c
index 6da8f40..e9a66fc 100644
--- a/src/activity.c
+++ b/src/activity.c
@@ -13,7 +13,7 @@
 #include <haproxy/api.h>
 #include <common/cfgparse.h>
 #include <common/standard.h>
-#include <common/hathreads.h>
+#include <haproxy/thread-t.h>
 #include <types/activity.h>
 #include <proto/channel.h>
 #include <proto/cli.h>