diff --git a/notifiers/balloon.js b/notifiers/balloon.js
index c339d5d..b230e8f 100644
--- a/notifiers/balloon.js
+++ b/notifiers/balloon.js
@@ -50,7 +50,7 @@ function WindowsBalloon(options) {
 util.inherits(WindowsBalloon, EventEmitter);
 
 function noop() {}
-WindowsBalloon.prototype.notify = function(options, callback) {
+function notifyRaw(options, callback) {
   var fallback;
   var notifierOptions = this.options;
   options = utils.clone(options || {});
@@ -105,7 +105,14 @@ WindowsBalloon.prototype.notify = function(options, callback) {
   });
 
   return this;
-};
+}
+
+Object.defineProperty(WindowsBalloon.prototype, 'notify', {
+  get: function() {
+    if (!this._notify) this._notify = notifyRaw.bind(this);
+    return this._notify;
+  }
+});
 
 var allowedArguments = ['t', 'd', 'p', 'm', 'i', 'e', 'q', 'w', 'xp'];
 
diff --git a/notifiers/growl.js b/notifiers/growl.js
index b9f8de7..af57e2d 100644
--- a/notifiers/growl.js
+++ b/notifiers/growl.js
@@ -28,7 +28,7 @@ function Growl(options) {
 }
 util.inherits(Growl, EventEmitter);
 
-Growl.prototype.notify = function(options, callback) {
+function notifyRaw(options, callback) {
   growly.setHost(this.options.host, this.options.port);
   options = utils.clone(options || {});
 
@@ -71,6 +71,13 @@ Growl.prototype.notify = function(options, callback) {
     callback();
   });
   return this;
-};
+}
+
+Object.defineProperty(Growl.prototype, 'notify', {
+  get: function() {
+    if (!this._notify) this._notify = notifyRaw.bind(this);
+    return this._notify;
+  }
+});
 
 function noop() {}
diff --git a/notifiers/notificationcenter.js b/notifiers/notificationcenter.js
index 2df0ecc..0d68378 100644
--- a/notifiers/notificationcenter.js
+++ b/notifiers/notificationcenter.js
@@ -31,7 +31,7 @@ util.inherits(NotificationCenter, EventEmitter);
 var activeId = null;
 
 function noop() {}
-NotificationCenter.prototype.notify = function(options, callback) {
+function notifyRaw(options, callback) {
   var fallbackNotifier;
   var id = identificator();
   options = utils.clone(options || {});
@@ -93,7 +93,14 @@ NotificationCenter.prototype.notify = function(options, callback) {
 
   callback(new Error(errorMessageOsX));
   return this;
-};
+}
+
+Object.defineProperty(NotificationCenter.prototype, 'notify', {
+  get: function() {
+    if (!this._notify) this._notify = notifyRaw.bind(this);
+    return this._notify;
+  }
+});
 
 function identificator() {
   return { _ref: 'val' };
diff --git a/notifiers/notifysend.js b/notifiers/notifysend.js
index 8e18512..074c39b 100644
--- a/notifiers/notifysend.js
+++ b/notifiers/notifysend.js
@@ -26,7 +26,7 @@ function NotifySend(options) {
 util.inherits(NotifySend, EventEmitter);
 
 function noop() {}
-NotifySend.prototype.notify = function(options, callback) {
+function notifyRaw(options, callback) {
   options = utils.clone(options || {});
   callback = callback || noop;
 
@@ -70,7 +70,14 @@ NotifySend.prototype.notify = function(options, callback) {
   }
 
   return this;
-};
+}
+
+Object.defineProperty(NotifySend.prototype, 'notify', {
+  get: function() {
+    if (!this._notify) this._notify = notifyRaw.bind(this);
+    return this._notify;
+  }
+});
 
 var allowedArguments = ['urgency', 'expire-time', 'icon', 'category', 'hint'];
 
diff --git a/notifiers/toaster.js b/notifiers/toaster.js
index 4269d0b..1032aa5 100644
--- a/notifiers/toaster.js
+++ b/notifiers/toaster.js
@@ -49,7 +49,7 @@ function getPipeName() {
   return `${PIPE_PATH_PREFIX}${PIPE_NAME}-${uuid()}`;
 }
 
-WindowsToaster.prototype.notify = function(options, callback) {
+function notifyRaw(options, callback) {
   options = utils.clone(options || {});
   callback = callback || noop;
   var is64Bit = os.arch() === 'x64';
@@ -142,4 +142,11 @@ WindowsToaster.prototype.notify = function(options, callback) {
     );
   });
   return this;
-};
+}
+
+Object.defineProperty(WindowsToaster.prototype, 'notify', {
+  get: function() {
+    if (!this._notify) this._notify = notifyRaw.bind(this);
+    return this._notify;
+  }
+});