diff --git a/test/ruby/test_jit_debug.rb b/test/ruby/test_jit_debug.rb
index 3efc72d6fd..362398c1d6 100644
--- a/test/ruby/test_jit_debug.rb
+++ b/test/ruby/test_jit_debug.rb
@@ -8,6 +8,9 @@ return if /mswin/ =~ RUBY_PLATFORM
 
 class TestJITDebug < TestJIT
   def setup
+    unless JITSupport.supported?
+      skip 'JIT seems not supported on this platform'
+    end
     # let `#eval_with_jit` use --jit-debug
     @jit_debug = true
   end