1 files changed, 2 insertions, 2 deletions
diff --git a/spec/ruby/library/matrix/shared/identity.rb b/spec/ruby/library/matrix/shared/identity.rb
index 114f86e7b0..df957b5a75 100644
--- a/spec/ruby/library/matrix/shared/identity.rb
+++ b/spec/ruby/library/matrix/shared/identity.rb
@@ -3,7 +3,7 @@ require 'matrix'
 
 describe :matrix_identity, shared: true do
   it "returns a Matrix" do
-    Matrix.send(@method, 2).should be_kind_of(Matrix)
+    Matrix.send(@method, 2).should.is_a?(Matrix)
   end
 
   it "returns a n x n identity matrix" do
@@ -13,7 +13,7 @@ describe :matrix_identity, shared: true do
 
   describe "for a subclass of Matrix" do
     it "returns an instance of that subclass" do
-      MatrixSub.send(@method, 2).should be_an_instance_of(MatrixSub)
+      MatrixSub.send(@method, 2).should.instance_of?(MatrixSub)
     end
   end
 end