diff --git a/src/im_mad/remotes/vmware.d/vmware.rb b/src/im_mad/remotes/vmware.d/vmware.rb
index b15b491479..b4c061656c 100755
--- a/src/im_mad/remotes/vmware.d/vmware.rb
+++ b/src/im_mad/remotes/vmware.d/vmware.rb
@@ -73,21 +73,21 @@ def do_action(cmd)
     end
 end
 
+@result_str = ""
+
 def add_info(name, value)
     value = "0" if value.nil? or value.to_s.empty?
-    result_str << "#{name}=#{value} "
+    @result_str << "#{name}=#{value} "
 end
 
 def print_info
-    puts result_str
+    puts @result_str
 end
 
 # ######################################################################## #
 #                          Main Procedure                                  #
 # ######################################################################## #
 
-result_str = ""
-
 host       = ARGV[2]
 
 if !host