1 files changed, 1 insertions, 0 deletions
diff --git a/ruby.h b/ruby.h
index b0a0e3e7b9..28be3d3df2 100644
--- a/ruby.h
+++ b/ruby.h
@@ -654,6 +654,7 @@ RUBY_EXTERN VALUE rb_cFloat;
 RUBY_EXTERN VALUE rb_cHash;
 RUBY_EXTERN VALUE rb_cInteger;
 RUBY_EXTERN VALUE rb_cIO;
+RUBY_EXTERN VALUE rb_cMethod;
 RUBY_EXTERN VALUE rb_cModule;
 RUBY_EXTERN VALUE rb_cNilClass;
 RUBY_EXTERN VALUE rb_cNumeric;