diff --git a/test/-ext-/bug_reporter/test_bug_reporter.rb b/test/-ext-/bug_reporter/test_bug_reporter.rb
index fd043690acce27..76f913c27522f7 100644
--- a/test/-ext-/bug_reporter/test_bug_reporter.rb
+++ b/test/-ext-/bug_reporter/test_bug_reporter.rb
@@ -6,7 +6,7 @@
 class TestBugReporter < Test::Unit::TestCase
   def test_bug_reporter_add
     omit "flaky with RJIT" if JITSupport.rjit_enabled?
-    description = RUBY_DESCRIPTION
+    description = RUBY_DESCRIPTION.sub(/\+PRISM /, '')
     description = description.sub(/\+RJIT /, '') unless JITSupport.rjit_force_enabled?
     expected_stderr = [
       :*,