diff --git a/lib/wpscan/wp_target/wp_custom_directories.rb b/lib/wpscan/wp_target/wp_custom_directories.rb
index 1e60791a..6a4d7354 100644
--- a/lib/wpscan/wp_target/wp_custom_directories.rb
+++ b/lib/wpscan/wp_target/wp_custom_directories.rb
@@ -23,9 +23,9 @@ class WpTarget < WebSite
     # @return [ Boolean ]
     def default_wp_content_dir_exists?
       response = Browser.get(@uri.merge('wp-content').to_s)
-      hash = Digest::MD5.hexdigest(response.body)
 
       if WpTarget.valid_response_codes.include?(response.code)
+        hash = Digest::MD5.hexdigest(response.body)
         return true if hash != error_404_hash and hash != homepage_hash
       end