diff --git a/src/http_acl.c b/src/http_acl.c
index 8ff4ab3..2fe7e85 100644
--- a/src/http_acl.c
+++ b/src/http_acl.c
@@ -26,7 +26,7 @@
 #include <types/global.h>
 
 #include <proto/acl.h>
-#include <proto/arg.h>
+#include <haproxy/arg.h>
 #include <proto/auth.h>
 #include <proto/pattern.h>