1 files changed, 3 insertions, 3 deletions
diff --git a/spec/ruby/library/objectspace/memsize_of_spec.rb b/spec/ruby/library/objectspace/memsize_of_spec.rb
index 36d845824d..9c8aea4e84 100644
--- a/spec/ruby/library/objectspace/memsize_of_spec.rb
+++ b/spec/ruby/library/objectspace/memsize_of_spec.rb
@@ -13,12 +13,12 @@ describe "ObjectSpace.memsize_of" do
   end
 
   it "returns 0 for literal Symbols" do
-    ObjectSpace.memsize_of(:abc).should == 0
+    ObjectSpace.memsize_of(:object_space_memsize_spec_static_sym).should == 0
   end
 
-  it "returns an Integer for an Object" do
+  it "returns a positive Integer for an Object" do
     obj = Object.new
-    ObjectSpace.memsize_of(obj).should be_kind_of(Integer)
+    ObjectSpace.memsize_of(obj).should.is_a?(Integer)
     ObjectSpace.memsize_of(obj).should > 0
   end