diff --git a/t/v5.24.1/C-COMPILED/known_errors.txt b/t/v5.24.1/C-COMPILED/known_errors.txt
index f0d223477..ded7364d4 100644
--- a/t/v5.24.1/C-COMPILED/known_errors.txt
+++ b/t/v5.24.1/C-COMPILED/known_errors.txt
@@ -72,7 +72,7 @@ uni/variables.t        SKIP      Taking too long to run. something's really brok
 xtestc/0163.t          TESTS     GH #48 - DESTROY not triggered
 xtestc/0169.t          TESTS     Output is: "42\n"
 xtestc/0222.t          TESTS     GH #49 - Cannot use "here-document" in RegExp
-xtestc/0247.t          TESTS     Output is: ""
+xtestc/0247.t          TESTS     GH #50 - $^H when using arybase
 xtestc/0248.t          TESTS     Output is: " toto \n"
 xtestc/0262.t          TESTS     Output is: "Constant subroutine M SQRT2 ..."
 xtestc/0269.t          TESTS     Output is: ""