diff --git a/lib/resources/mssql_session.rb b/lib/resources/mssql_session.rb
index 42b9f98b1..f8a11ded6 100644
--- a/lib/resources/mssql_session.rb
+++ b/lib/resources/mssql_session.rb
@@ -108,7 +108,7 @@ module Inspec::Resources
       results = table.map { |row|
         res = {}
         headers.each { |header|
-          res[header.downcase] = row[header]
+          res[header.downcase] = row[header] if header
         }
         Hashie::Mash.new(res)
       }