diff --git a/t/rt_44891_strings_look_like_numbers.t b/t/rt_44891_strings_look_like_numbers.t
index 40c220c..95dd1c8 100644
--- a/t/rt_44891_strings_look_like_numbers.t
+++ b/t/rt_44891_strings_look_like_numbers.t
@@ -25,6 +25,7 @@ my @values = qw/
     -1234567890123456789012345678901234567890
     +1234567890123456789012345678901234567890
     *1234567890123456789012345678901234567890
+    -9223372036854775807 +9223372036854775806
     -9223372036854775808 +9223372036854775807
 /;