1 files changed, 1 insertions, 1 deletions
diff --git a/ruby.h b/ruby.h
index 16ef17e399..0bd05b5c3d 100644
--- a/ruby.h
+++ b/ruby.h
@@ -550,7 +550,7 @@ VALUE rb_require _((const char*));
 
 void ruby_init _((void));
 void ruby_options _((int, char**));
-void ruby_run _((void));
+NORETURN(void ruby_run _((void)));
 
 RUBY_EXTERN VALUE rb_mKernel;
 RUBY_EXTERN VALUE rb_mComparable;