diff --git a/swifty_viper/Code/Interactor/interactor.swift.liquid b/swifty_viper/Code/Interactor/interactor.swift.liquid
index 27ca4fa..6d5dea8 100644
--- a/swifty_viper/Code/Interactor/interactor.swift.liquid
+++ b/swifty_viper/Code/Interactor/interactor.swift.liquid
@@ -8,6 +8,6 @@
 
 class {{ module_info.name }}Interactor: {{ module_info.name }}InteractorInput {
 
-    weak var output: {{ module_info.name }}InteractorOutput!
+    weak var output: {{ module_info.name }}InteractorOutput?
 
 }
diff --git a/swifty_viper/Code/Presenter/presenter.swift.liquid b/swifty_viper/Code/Presenter/presenter.swift.liquid
index 7da88bf..588724a 100644
--- a/swifty_viper/Code/Presenter/presenter.swift.liquid
+++ b/swifty_viper/Code/Presenter/presenter.swift.liquid
@@ -8,7 +8,7 @@
 
 class {{ module_info.name }}Presenter: {{ module_info.name }}ModuleInput, {{ module_info.name }}ViewOutput, {{ module_info.name }}InteractorOutput {
 
-    weak var view: {{ module_info.name }}ViewInput!
+    weak var view: {{ module_info.name }}ViewInput?
     var interactor: {{ module_info.name }}InteractorInput!
     var router: {{ module_info.name }}RouterInput!
 
diff --git a/swifty_viper_OSX/Code/Interactor/interactor.swift.liquid b/swifty_viper_OSX/Code/Interactor/interactor.swift.liquid
index 27ca4fa..6d5dea8 100644
--- a/swifty_viper_OSX/Code/Interactor/interactor.swift.liquid
+++ b/swifty_viper_OSX/Code/Interactor/interactor.swift.liquid
@@ -8,6 +8,6 @@
 
 class {{ module_info.name }}Interactor: {{ module_info.name }}InteractorInput {
 
-    weak var output: {{ module_info.name }}InteractorOutput!
+    weak var output: {{ module_info.name }}InteractorOutput?
 
 }
diff --git a/swifty_viper_OSX/Code/Presenter/presenter.swift.liquid b/swifty_viper_OSX/Code/Presenter/presenter.swift.liquid
index 7da88bf..588724a 100644
--- a/swifty_viper_OSX/Code/Presenter/presenter.swift.liquid
+++ b/swifty_viper_OSX/Code/Presenter/presenter.swift.liquid
@@ -8,7 +8,7 @@
 
 class {{ module_info.name }}Presenter: {{ module_info.name }}ModuleInput, {{ module_info.name }}ViewOutput, {{ module_info.name }}InteractorOutput {
 
-    weak var view: {{ module_info.name }}ViewInput!
+    weak var view: {{ module_info.name }}ViewInput?
     var interactor: {{ module_info.name }}InteractorInput!
     var router: {{ module_info.name }}RouterInput!