Index: spec/macruby/core/number_spec.rb
===================================================================
--- spec/macruby/core/number_spec.rb	(revision 2202)
+++ spec/macruby/core/number_spec.rb	(working copy)
@@ -3,9 +3,9 @@
 describe "An NSNumber boolean object" do
   it "can be compared against a true/false Ruby type" do
     true.should == NSNumber.numberWithBool(true)
-    true.should != NSNumber.numberWithBool(false)
+    true.should_not == NSNumber.numberWithBool(false)
     false.should == NSNumber.numberWithBool(false)
-    false.should != NSNumber.numberWithBool(true)
+    false.should_not == NSNumber.numberWithBool(true)
   end
 end
 
@@ -19,4 +19,4 @@
 		# popcnt can, and should, vary depending on machine word size for negative numbers.
 		-1.popcnt.should <= 64
 	end
-end
\ No newline at end of file
+end