diff --git a/tests/test_cases/input/unicode_escaped_too_long_lead0_fail.kdl b/tests/test_cases/input/unicode_escaped_too_long_lead0_fail.kdl
index 7d66a9e..4ee3b99 100644
--- a/tests/test_cases/input/unicode_escaped_too_long_lead0_fail.kdl
+++ b/tests/test_cases/input/unicode_escaped_too_long_lead0_fail.kdl
@@ -1 +1 @@
-no "Even with leading 0s Unicode Scalar Value escapes must ≤6: \u{0123456}"
+no "Even with leading 0s Unicode Scalar Value escapes must ≤6: \u{0012345}"