diff --git a/sesman/verify_user.c b/sesman/verify_user.c
index 49c475c6..9dc77efc 100644
--- a/sesman/verify_user.c
+++ b/sesman/verify_user.c
@@ -101,6 +101,14 @@ auth_start_session(long in_val, int in_display)
     return 0;
 }
 
+/******************************************************************************/
+/* returns error */
+int DEFAULT_CC
+auth_stop_session(long in_val)
+{
+    return 0;
+}
+
 /******************************************************************************/
 int DEFAULT_CC
 auth_end(long in_val)