diff --git a/spec/crc5_spec.rb b/spec/crc5_spec.rb
index ce5ad12..29945e2 100644
--- a/spec/crc5_spec.rb
+++ b/spec/crc5_spec.rb
@@ -3,12 +3,13 @@
 require 'digest/crc5'
 
 describe Digest::CRC5 do
-  before { pending }
   before(:all) do
     @crc_class = Digest::CRC5
     @string = '1234567890'
     @expected = '1'
   end
 
-  it_should_behave_like "CRC"
+  pending "Implementation of CRC5 does not match pycrc.py" do
+    it_should_behave_like "CRC"
+  end
 end