1 files changed, 6 insertions, 6 deletions
diff --git a/spec/ruby/shared/fiber/resume.rb b/spec/ruby/shared/fiber/resume.rb
index a680839a4b..058ef4e15a 100644
--- a/spec/ruby/shared/fiber/resume.rb
+++ b/spec/ruby/shared/fiber/resume.rb
@@ -10,13 +10,13 @@ describe :fiber_resume, shared: true do
   end
 
   it "raises a FiberError if invoked from a different Thread" do
-    fiber = Fiber.new { }
-    lambda do
-      Thread.new do
+    fiber = Fiber.new { 42 }
+    Thread.new do
+      -> {
         fiber.resume
-      end.join
-    end.should raise_error(FiberError)
-    fiber.resume
+      }.should raise_error(FiberError)
+    end.join
+    fiber.resume.should == 42
   end
 
   it "passes control to the beginning of the block on first invocation" do