gistfile1.txt

diff --git a/lib/thor/shell/basic.rb b/lib/thor/shell/basic.rb
index 9235f00..b1cc146 100644
--- a/lib/thor/shell/basic.rb
+++ b/lib/thor/shell/basic.rb
@@ -69,7 +69,7 @@ class Thor
       # "yes".
       #
       def yes?(statement, color=nil)
-        ask(statement, color) =~ is?(:yes)
+        !!(ask(statement, color) =~ is?(:yes))
       end
 
       # Make a question the to user and returns true if the user replies "n" or
diff --git a/spec/shell/basic_spec.rb b/spec/shell/basic_spec.rb
index 7503758..cdf9568 100644
--- a/spec/shell/basic_spec.rb
+++ b/spec/shell/basic_spec.rb
@@ -27,7 +27,7 @@ describe Thor::Shell::Basic do
     it "asks the user and returns true if the user replies yes" do
       $stdout.should_receive(:print).with("Should I overwrite it? ")
         $stdin.should_receive(:gets).and_return('y')
-      shell.yes?("Should I overwrite it?").must be_true
+      shell.yes?("Should I overwrite it?").must === true
 
       $stdout.should_receive(:print).with("Should I overwrite it? ")
         $stdin.should_receive(:gets).and_return('n')