diff --git a/ext/win32/resolv/lib/resolv.rb b/ext/win32/resolv/lib/resolv.rb
index aaa9891..e17fc48 100644
--- a/ext/win32/resolv/lib/resolv.rb
+++ b/ext/win32/resolv/lib/resolv.rb
@@ -82,7 +82,7 @@ def get_info
           nvdom = get_item_property(TCPIP_NT, 'NV Domain')
 
           unless nvdom.empty?
-            @search = [ nvdom ]
+            search = [ nvdom ]
             udmnd = get_item_property(TCPIP_NT, 'UseDomainNameDevolution').to_i
             if udmnd != 0
               if /^\w+\./ =~ nvdom