diff --git a/test/test_htable.c b/test/test_htable.c
index 925d273..dc3e70b 100644
--- a/test/test_htable.c
+++ b/test/test_htable.c
@@ -63,6 +63,7 @@ START_TEST (test_htable1)
     fail_if(my_find(&table, "Three",hash_str("Three")) != &str[2]);
     fail_if(my_find(&table, "Four", hash_str("Four"))  != &str[3]);
     fail_if(my_find(&table, "Five", hash_str("Five"))  != &str[4]);
+    fail_if(my_find(&table, "NotHere", hash_str("NotHere"))  != NULL);
 
     uc_htable_destroy(&table);