1 files changed, 1 insertions, 1 deletions
diff --git a/test/gdbm/test_gdbm.rb b/test/gdbm/test_gdbm.rb
index 9a9dc28972..1d69634f88 100644
--- a/test/gdbm/test_gdbm.rb
+++ b/test/gdbm/test_gdbm.rb
@@ -722,7 +722,7 @@ if defined? GDBM
     def test_freeze
       GDBM.open("#{@tmproot}/a.dbm") {|d|
         d.freeze
-        assert_raise(RuntimeError) { d["k"] = "v" }
+        assert_raise(FrozenError) { d["k"] = "v" }
       }
     end
   end