diff --git a/test/party_test.gleam b/test/party_test.gleam
index b497af6..77d16a6 100644
--- a/test/party_test.gleam
+++ b/test/party_test.gleam
@@ -282,8 +282,8 @@ pub fn fail_test() {
 pub fn until_test() {
   party.go(party.until(do: party.char("a"), until: party.char("b")), "aab")
   |> should.equal(Ok(["a", "a"]))
-  party.go(party.until(do: party.char("a"), until: party.char("b")), "a")
-  |> should.equal(Error(party.Unexpected(party.Position(1, 2), "EOF")))
-  party.go(party.until(do: party.char("a"), until: party.char("c")), "ac")
+  party.go(party.until(do: party.char("a"), until: party.char("b")), "aaa")
+  |> should.equal(Error(party.Unexpected(party.Position(1, 4), "EOF")))
+  party.go(party.until(do: party.char("a"), until: party.char("b")), "ac")
   |> should.equal(Error(party.Unexpected(party.Position(1, 2), "c")))
 }
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