1 files changed, 3 insertions, 1 deletions
diff --git a/ruby.h b/ruby.h
index 53b92bc8cc..1a96004caf 100644
--- a/ruby.h
+++ b/ruby.h
@@ -608,7 +608,9 @@ RUBY_EXTERN VALUE rb_eNameError;
 RUBY_EXTERN VALUE rb_eSyntaxError;
 RUBY_EXTERN VALUE rb_eLoadError;
 
-RUBY_EXTERN VALUE rb_defout, rb_stdin, rb_stdout, rb_stderr, ruby_errinfo;
+RUBY_EXTERN VALUE rb_defout, rb_deferr;
+RUBY_EXTERN VALUE rb_stdin, rb_stdout, rb_stderr;
+RUBY_EXTERN VALUE ruby_errinfo;
 
 static inline VALUE
 #if defined(HAVE_PROTOTYPES)