diff --git a/auth_token/client/mechanisms/pwd/internal.h b/auth_token/client/mechanisms/pwd/internal.h
index 7ab65af2..3ac0c0cd 100644
--- a/auth_token/client/mechanisms/pwd/internal.h
+++ b/auth_token/client/mechanisms/pwd/internal.h
@@ -32,6 +32,7 @@
 #include <micasa_mgmd.h>
 #include <sscs_utf8.h>
 #include <casa_status.h>
+#include "config_if.h"
 #include "mech_if.h"
 
 //===[ Type definitions ]==================================================