1 files changed, 7 insertions, 7 deletions
diff --git a/spec/ruby/core/fiber/current_spec.rb b/spec/ruby/core/fiber/current_spec.rb
index b93df77a89..cc5c9117b6 100644
--- a/spec/ruby/core/fiber/current_spec.rb
+++ b/spec/ruby/core/fiber/current_spec.rb
@@ -3,20 +3,20 @@ require_relative '../../spec_helper'
 describe "Fiber.current" do
   it "returns the root Fiber when called outside of a Fiber" do
     root = Fiber.current
-    root.should be_an_instance_of(Fiber)
+    root.should.instance_of?(Fiber)
     # We can always transfer to the root Fiber; it will never die
     5.times do
-      root.transfer.should be_nil
-      root.alive?.should be_true
+      root.transfer.should == nil
+      root.alive?.should == true
     end
   end
 
   it "returns the current Fiber when called from a Fiber" do
     fiber = Fiber.new do
       this = Fiber.current
-      this.should be_an_instance_of(Fiber)
+      this.should.instance_of?(Fiber)
       this.should == fiber
-      this.alive?.should be_true
+      this.alive?.should == true
     end
     fiber.resume
   end
@@ -26,9 +26,9 @@ describe "Fiber.current" do
     fiber = Fiber.new do
       states << :fiber
       this = Fiber.current
-      this.should be_an_instance_of(Fiber)
+      this.should.instance_of?(Fiber)
       this.should == fiber
-      this.alive?.should be_true
+      this.alive?.should == true
     end
 
     fiber2 = Fiber.new do