diff --git a/src/session.c b/src/session.c
index 74b029e..fd842a4 100644
--- a/src/session.c
+++ b/src/session.c
@@ -10,7 +10,7 @@
  *
  */
 
-#include <common/config.h>
+#include <haproxy/api.h>
 #include <common/buffer.h>
 #include <common/debug.h>
 #include <common/http.h>