diff --git a/spec/nice_http/nice_http_spec.rb b/spec/nice_http/nice_http_spec.rb
index 04bd6cb..62bbcd3 100644
--- a/spec/nice_http/nice_http_spec.rb
+++ b/spec/nice_http/nice_http_spec.rb
@@ -172,7 +172,7 @@
     it 'returns error if timeout reached when connecting' do
       klass.timeout = 2
       http = klass.new("http://example.com:8888") rescue err = $ERROR_INFO
-      expect(err.message).to match /execution expired/i
+      expect(err.message).to match /(execution expired|Failed to open TCP connection)/i
     end
   end