diff --git a/package.json b/package.json
index 668140fe..77dc1eef 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,7 @@
   "keywords": [
     "Prebid.js"
   ],
+  "globalVarName": "pbjs",
   "author": "Prebid.org Contributors",
   "license": "Apache-2.0",
   "bugs": {
@@ -63,10 +64,12 @@
     "webdriverio": "^4.13.2",
     "webpack": "^3.0.0",
     "webpack-stream": "^4.0.0",
-    "yargs": "^11.0.0"
+    "yargs": "^11.0.0",
+    "string-replace-webpack-plugin": "^0.1.3"
   },
   "dependencies": {
     "babel-plugin-transform-object-assign": "^6.22.0",
+    "dev": "^0.1.3",
     "postscribe": "^2.0.8"
   }
 }
diff --git a/src/renderingManager.js b/src/renderingManager.js
index 7d999e87..c173a512 100644
--- a/src/renderingManager.js
+++ b/src/renderingManager.js
@@ -47,9 +47,9 @@ export function newRenderingManager(win, environment) {
     let w = win;
     for (let i = 0; i < 10; i++) {
       w = w.parent;
-      if (w.pbjs) {
+      if (w.$$PREBID_GLOBAL$$) {
         try {
-          w.pbjs.renderAd(doc, adId);
+          w.$$PREBID_GLOBAL$$.renderAd(doc, adId);
           break;
         } catch (e) {
           continue;
diff --git a/test/spec/renderingManager_spec.js b/test/spec/renderingManager_spec.js
index f4d5ceb5..feda576f 100644
--- a/test/spec/renderingManager_spec.js
+++ b/test/spec/renderingManager_spec.js
@@ -16,7 +16,7 @@ const renderingMocks = {
       },
       parent: {
         postMessage: sinon.spy(),
-        pbjs: {
+        $$PREBID_GLOBAL$$: {
           renderAd: sinon.spy()
         }
       },
@@ -252,7 +252,7 @@ describe('renderingManager', function() {
       };
         
       renderObject.renderAd(mockWin.document, ucTagData);
-      expect(mockWin.parent.pbjs.renderAd.callCount).to.equal(1);
+      expect(mockWin.parent.$$PREBID_GLOBAL$$.renderAd.callCount).to.equal(1);
     });
   });
 });
\ No newline at end of file
diff --git a/webpack.conf.js b/webpack.conf.js
index 04a198a0..7ba69e6d 100644
--- a/webpack.conf.js
+++ b/webpack.conf.js
@@ -1,4 +1,5 @@
 var creative = require('./package.json');
+var StringReplacePlugin = require('string-replace-webpack-plugin');
 var path = require('path');
 var webpack = require('webpack');
 
@@ -26,6 +27,20 @@ module.exports = {
             }
           }
         ]
+      },
+      {
+        test: /\.js$/,
+        include: /(src|test|testpages)/,
+        loader: StringReplacePlugin.replace({
+          replacements: [
+            {
+              pattern: /\$\$PREBID_GLOBAL\$\$/g,
+              replacement: function (match, p1, offset, string) {
+                return creative.globalVarName;
+              }
+            }
+          ]
+        })
       }
     ]
   }