1 files changed, 1 insertions, 1 deletions
diff --git a/vm_eval.c b/vm_eval.c
index 1b6ffe28ba..50dea4c05b 100644
--- a/vm_eval.c
+++ b/vm_eval.c
@@ -688,7 +688,7 @@ rb_each(VALUE obj)
 }
 
 static VALUE
-eval_string_with_cref(VALUE self, VALUE src, VALUE scope, NODE *cref, const char *file, int line)
+eval_string_with_cref(VALUE self, VALUE src, VALUE scope, NODE *cref, const char *volatile file, volatile int line)
 {
     int state;
     VALUE result = Qundef;