1 files changed, 1 insertions, 1 deletions
diff --git a/error.c b/error.c
index ebc431107b..0d16ec3cb1 100644
--- a/error.c
+++ b/error.c
@@ -1208,7 +1208,7 @@ void
 rb_error_frozen(what)
     const char *what;
 {
-    rb_raise(rb_eTypeError, "can't modify frozen %s", what);
+    rb_raise(rb_eRuntimeError, "can't modify frozen %s", what);
 }
 
 void