diff --git a/lib/intercept.js b/lib/intercept.js
index 2455410..abf6c51 100644
--- a/lib/intercept.js
+++ b/lib/intercept.js
@@ -79,10 +79,23 @@
 						Array.isArray(changedFunction.object)?
 							changedFunction.object:
 							[changedFunction.object]
+					).map(function(name){
+						if (name){
+							const constructor = getWrapped(window)[name];
+							if (constructor){
+								return constructor.prototype;
+							}
+						}
+						return false;
+					}).concat(
+						changedFunction.objectGetters?
+							changedFunction.objectGetters.map(function(objectGetter){
+								return objectGetter(getWrapped(window));
+							}):
+							[]
 					).forEach(function(object){
-						const constructor = getWrapped(window)[object];
-						if (constructor){
-							callback({name, object: constructor.prototype});
+						if (object){
+							callback({name, object: object});
 						}
 					});
 				});
@@ -295,12 +308,25 @@
 						Array.isArray(changedFunction.object)?
 							changedFunction.object:
 							[changedFunction.object]
+					).map(function(name){
+						if (name){
+							const constructor = getWrapped(window)[name];
+							if (constructor){
+								return constructor.prototype;
+							}
+						}
+						return false;
+					}).concat(
+						changedFunction.objectGetters?
+							changedFunction.objectGetters.map(function(objectGetter){
+								return objectGetter(getWrapped(window));
+							}):
+							[]
 					).forEach(function(object){
-						const constructor = getWrapped(window)[object];
-						if (constructor){
-							const original = constructor.prototype[name];
+						if (object){
+							const original = object[name];
 							const checker = generateChecker(name, changedFunction, siteStatus, original);
-							const descriptor = Object.getOwnPropertyDescriptor(constructor.prototype, name);
+							const descriptor = Object.getOwnPropertyDescriptor(object, name);
 							if (descriptor){
 								if (descriptor.hasOwnProperty("value")){
 									if (changedFunction.fakeGenerator){
@@ -321,7 +347,7 @@
 										);
 									}, window);
 								}
-								Object.defineProperty(constructor.prototype, name, descriptor);
+								Object.defineProperty(object, name, descriptor);
 							}
 						}
 					});