diff --git a/tests/user.c b/tests/user.c
index d7a437d..8f3ee84 100644
--- a/tests/user.c
+++ b/tests/user.c
@@ -136,10 +136,12 @@ START_TEST(test_find_available_user)
 	users[3].active = 0;
 
 	fail_unless(find_available_user() == 3);
+	fail_unless(find_available_user() == -1);
 
 	users[3].last_pkt = 55;
 	
 	fail_unless(find_available_user() == 3);
+	fail_unless(find_available_user() == -1);
 }
 END_TEST