diff --git a/src/frontend.c b/src/frontend.c
index 0be2929..00c31d8 100644
--- a/src/frontend.c
+++ b/src/frontend.c
@@ -25,6 +25,7 @@
 #include <haproxy/api.h>
 #include <haproxy/chunk.h>
 #include <haproxy/frontend.h>
+#include <haproxy/sample.h>
 #include <haproxy/tools.h>
 #include <haproxy/time.h>
 
@@ -38,7 +39,6 @@
 #include <proto/proto_tcp.h>
 #include <proto/http_ana.h>
 #include <proto/proxy.h>
-#include <proto/sample.h>
 #include <proto/stream.h>
 #include <proto/stream_interface.h>
 #include <proto/task.h>