diff --git a/src/auth.c b/src/auth.c
index a88e6b2..8c26374 100644
--- a/src/auth.c
+++ b/src/auth.c
@@ -29,6 +29,7 @@
 #include <haproxy/auth-t.h>
 #include <haproxy/errors.h>
 #include <haproxy/global.h>
+#include <haproxy/list.h>
 #include <haproxy/pattern-t.h>
 #include <haproxy/sample-t.h>
 #include <haproxy/thread.h>