2 files changed, 3 insertions, 3 deletions
diff --git a/spec/ruby/core/random/shared/bytes.rb b/spec/ruby/core/random/shared/bytes.rb
index 9afad3b7f8..86c64d5696 100644
--- a/spec/ruby/core/random/shared/bytes.rb
+++ b/spec/ruby/core/random/shared/bytes.rb
@@ -1,6 +1,6 @@
 describe :random_bytes, shared: true do
   it "returns a String" do
-    @object.send(@method, 1).should be_an_instance_of(String)
+    @object.send(@method, 1).should.instance_of?(String)
   end
 
   it "returns a String of the length given as argument" do
diff --git a/spec/ruby/core/random/shared/rand.rb b/spec/ruby/core/random/shared/rand.rb
index d3b24b8851..655c75c9f1 100644
--- a/spec/ruby/core/random/shared/rand.rb
+++ b/spec/ruby/core/random/shared/rand.rb
@@ -1,9 +1,9 @@
 describe :random_number, shared: true do
   it "returns a Float if no max argument is passed" do
-    @object.send(@method).should be_kind_of(Float)
+    @object.send(@method).should.is_a?(Float)
   end
 
   it "returns an Integer if an Integer argument is passed" do
-    @object.send(@method, 20).should be_kind_of(Integer)
+    @object.send(@method, 20).should.is_a?(Integer)
   end
 end