diff --git a/ChangeLog b/ChangeLog
index 839f65ba05..dad742b9fc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,6 +3,9 @@ Thu Jun 26 17:43:41 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
 	* variable.c (rb_f_trace_var): should not be allowed at safe level 4.  
 	  a patch from Keita Yamaguchi <keita.yamaguchi at gmail.com>.
 
+	* eval.c (rb_call0): wrong condition to check insecure method.
+	  a patch from Keita Yamaguchi <keita.yamaguchi at gmail.com>.
+
 Wed Jun 25 18:54:54 2008  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* lib/{cgi-lib,getopts,importenv}.rb: check caller[0] because when
diff --git a/eval.c b/eval.c
index 66d197a4b3..0d88c80e4d 100644
--- a/eval.c
+++ b/eval.c
@@ -5828,8 +5828,7 @@ rb_call0(klass, recv, id, oid, argc, argv, body, flags)
     TMP_PROTECT;
     volatile int safe = -1;
 
-    if (NOEX_SAFE(flags) > ruby_safe_level &&
-	ruby_safe_level == 0 && NOEX_SAFE(flags) > 2) {
+    if (NOEX_SAFE(flags) > ruby_safe_level && NOEX_SAFE(flags) > 2) {
 	rb_raise(rb_eSecurityError, "calling insecure method: %s",
 		 rb_id2name(id));
     }