diff --git a/lib/mjit/c_32.rb b/lib/mjit/c_32.rb
index 9e14794aff..c628e60967 100644
--- a/lib/mjit/c_32.rb
+++ b/lib/mjit/c_32.rb
@@ -130,7 +130,7 @@ module RubyVM::MJIT
       verbose: [128, CType::Immediate.new(4)],
       max_cache_size: [160, CType::Immediate.new(4)],
       pause: [192, self._Bool],
-      pause: [200, self._Bool],
+      custom: [200, self._Bool],
     )
   end