diff --git a/test/esqlite_test.erl b/test/esqlite_test.erl
index 42535d5..c51b32d 100644
--- a/test/esqlite_test.erl
+++ b/test/esqlite_test.erl
@@ -75,6 +75,11 @@ bind_test() ->
     esqlite3:bind(Statement, [int64, 308553449069486081]),
     esqlite3:step(Statement),
 
+    %% negative int64
+    esqlite3:bind(Statement, [negative_int64, -308553449069486081]),
+    esqlite3:step(Statement),
+
+
     %% utf-8
     esqlite3:bind(Statement, [[<<228,184,138,230,181,183>>], 100]), 
     esqlite3:step(Statement),
@@ -92,9 +97,10 @@ bind_test() ->
     ?assertEqual([{{blob, <<$e,$l,$e,$v,$e,$n,0>>}, 12}], 
         esqlite3:q("select one, two from test_table where two = 12", Db)),
 
-    %% int64
     ?assertEqual([{<<"int64">>, 308553449069486081}], 
         esqlite3:q("select one, two from test_table where one = 'int64';", Db)),
+    ?assertEqual([{<<"negative_int64">>, -308553449069486081}], 
+        esqlite3:q("select one, two from test_table where one = 'negative_int64';", Db)),
 
     %% utf-8
     ?assertEqual([{<<228,184,138,230,181,183>>, 100}],