diff --git a/client.js b/client.js
index 8c5acb7..6714ed4 100644
--- a/client.js
+++ b/client.js
@@ -73,32 +73,32 @@ function($rootScope, MeteorCollections, $meteorObject) {
 				}
 			})
 		}
-		Collection.find = function(selector, options, callback) {
+		Collection.find = function(selector, options) {
 			value = this instanceof Collection ? this : [];
 			this.observe(collection.find(selector, options), true);
 			return value;
 		}
-		Collection.findOne = function(selector, options, callback) {
+		Collection.findOne = function(selector, options) {
 			value = this instanceof Collection ? this : {};
 			value = new $meteorObject(collection,collection.find(selector,options).fetch()[0]);
 			this.observe(collection.find(selector, options), false);
 			return value;
 		}
-		Collection.insert = function(values) {
+		Collection.insert = function(values, callback) {
 			values = angular.copy(values);
             		cleanupAngularObject(values);
-			return collection.insert(values);
+			return collection.insert(values, callback);
 		}
-		Collection.update = function(selector, updateValues) {
+		Collection.update = function(selector, updateValues, callback) {
 			updateValues = angular.copy(updateValues);
             		cleanupAngularObject(updateValues);
             		delete updateValues._id;
 			return collection.update(selector, {
 				$set : updateValues
-			});
+			}, callback);
 		}
-		Collection.remove = function(selector) {
-			return collection.remove(selector);
+		Collection.remove = function(selector, callback) {
+			return collection.remove(selector, callback);
 		}
 		return Collection;
 	}