diff --git a/test/integration/client/force-native-with-envvar-tests.js b/test/integration/client/force-native-with-envvar-tests.js
index 9c8ec87d..93b9dddc 100644
--- a/test/integration/client/force-native-with-envvar-tests.js
+++ b/test/integration/client/force-native-with-envvar-tests.js
@@ -1,10 +1,34 @@
-// if (!assert) var assert = require('assert');
+var helper = require(__dirname+"/test-helper")
+  , path = require('path')
+;
 
-process.env.NODE_PG_FORCE_NATIVE = true;
+var paths = {
+  'pg' : path.join(__dirname, '..', '..', '..', 'lib', 'index.js') ,
+  'query_js' : path.join(__dirname, '..', '..', '..', 'lib', 'query.js') ,
+  'query_native' : path.join(__dirname, '..', '..', '..', 'lib', 'native', 'query.js') ,
+};
 
-var pg = require('../../../lib/');
-var query_native = require('../../../lib/native/query.js');
-var query_js = require('../../../lib/query.js');
+/**
+ * delete the modules we are concerned about from the
+ * module cache
+ */
+function deleteFromCache(){
+  Object.keys(paths).forEach(function(module){
+    var cache_key = paths[ module ];
+    delete require.cache[ cache_key ];
+  });
+};
+
+
+deleteFromCache();
+process.env.NODE_PG_FORCE_NATIVE = "1";
+
+var pg = require( paths.pg );
+var query_native = require( paths.query_native );
+var query_js = require( paths.query_js );
 
 assert.deepEqual(pg.Client.Query, query_native);
 assert.notDeepEqual(pg.Client.Query, query_js);
+
+deleteFromCache();
+delete process.env.NODE_PG_FORCE_NATIVE