diff --git a/bootstraptest/runner.rb b/bootstraptest/runner.rb
index 16bfdd9ea2..24bbdafe8e 100755
--- a/bootstraptest/runner.rb
+++ b/bootstraptest/runner.rb
@@ -891,4 +891,8 @@ def yjit_enabled?
   ENV.key?('RUBY_YJIT_ENABLE') || ENV.fetch('RUN_OPTS', '').include?('yjit') || BT.ruby.include?('yjit')
 end
 
+def zjit_enabled?
+  ENV.key?('RUBY_ZJIT_ENABLE') || ENV.fetch('RUN_OPTS', '').include?('zjit') || BT.ruby.include?('zjit')
+end
+
 exit main
diff --git a/bootstraptest/test_ractor.rb b/bootstraptest/test_ractor.rb
index 1c89cd40ee..834c7ceebb 100644
--- a/bootstraptest/test_ractor.rb
+++ b/bootstraptest/test_ractor.rb
@@ -389,7 +389,7 @@ assert_equal '{ok: 3}', %q{
   end
 
   3.times.map{Ractor.receive}.tally
-} unless yjit_enabled? # `[BUG] Bus Error at 0x000000010b7002d0` in jit_exec()
+} unless yjit_enabled? || zjit_enabled? # YJIT: `[BUG] Bus Error at 0x000000010b7002d0` in jit_exec(), ZJIT hangs
 
 # unshareable object are copied
 assert_equal 'false', %q{