1 files changed, 1 insertions, 1 deletions
diff --git a/eval.c b/eval.c
index 68db0ed335..fef1c86809 100644
--- a/eval.c
+++ b/eval.c
@@ -3314,7 +3314,7 @@ rb_eval(self, n)
 	    else {
 		if (rb_special_const_p(result)) {
 		    rb_raise(rb_eTypeError, "no virtual class for %s",
-			     rb_class2name(CLASS_OF(klass)));
+			     rb_class2name(CLASS_OF(result)));
 		}
 		if (rb_safe_level() >= 4 && !OBJ_TAINTED(result))
 		    rb_raise(rb_eSecurityError, "Insecure: can't extend object");