diff --git a/test/lookup_test.rb b/test/lookup_test.rb
index b6f4a4ac75c9de05dac5b61c59a70ddc7cddddba..38b7cea9fd93299c6d53c236590afca38ad936df 100644
--- a/test/lookup_test.rb
+++ b/test/lookup_test.rb
@@ -5,8 +5,8 @@ class LookupTest < Test::Unit::TestCase
 
   def test_search_returns_empty_array_when_no_results
     street_lookups.each do |l|
-      Geocoder::Configuration.lookup = l
-      assert_equal [], Geocoder.search("no results"),
+      lookup = Geocoder.send(:get_lookup, l)
+      assert_equal [], lookup.send(:results, "no results"),
         "Lookup #{l} does not return empty array when no results."
     end
   end