diff --git a/.gitignore b/.gitignore
index 6a65a36..1eb867b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 *.gem
 .bundle
 pkg/*
+*.swp
diff --git a/lib/cookie_extractor/firefox_cookie_extractor.rb b/lib/cookie_extractor/firefox_cookie_extractor.rb
index f7f32c1..5072464 100644
--- a/lib/cookie_extractor/firefox_cookie_extractor.rb
+++ b/lib/cookie_extractor/firefox_cookie_extractor.rb
@@ -21,6 +21,7 @@ module CookieExtractor
           row['value']
         ].join("\t")
       end
+      @result
     end
 
     private
diff --git a/spec/.firefox_cookie_extractor_spec.rb.swp b/spec/.firefox_cookie_extractor_spec.rb.swp
deleted file mode 100644
index b498031..0000000
Binary files a/spec/.firefox_cookie_extractor_spec.rb.swp and /dev/null differ