diff --git a/tests/app/src/main.cpp b/tests/app/src/main.cpp
index d18d560f..5cdf45d9 100644
--- a/tests/app/src/main.cpp
+++ b/tests/app/src/main.cpp
@@ -73,7 +73,7 @@ class simple_widget :
 			this->context.get().updater.get().stop(*this);
 		}else{
 			this->context.get().updater.get().start(
-					utki::make_shared_from(*this).to_shared_ptr(),
+					utki::make_shared_from(*this), //
 					0
 				);
 		}
@@ -521,8 +521,7 @@ class application : public ruisapp::application{
 
 		// cube click_proxy
 		{
-			auto cube = c.get().try_get_widget_as<cube_widget>("cube_widget");
-			ASSERT(cube)
+			auto& cube = c.get().get_widget_as<cube_widget>("cube_widget");
 
 			auto& cp = c.get().get_widget_as<ruis::click_proxy>("cube_click_proxy");
 			auto& bg = c.get().get_widget_as<ruis::color>("cube_bg_color");
@@ -532,11 +531,11 @@ class application : public ruisapp::application{
 				return true;
 			};
 			cp.pressed_change_handler(cp); // set initial color
-			cp.click_handler = [cube](ruis::click_proxy&) -> bool {
-				if(cube->is_updating()){
-					cube->context.get().updater.get().stop(*cube);
+			cp.click_handler = [cube = utki::make_shared_from(cube)](ruis::click_proxy&) -> bool {
+				if(cube.get().is_updating()){
+					cube.get().context.get().updater.get().stop(cube.get());
 				}else{
-					cube->context.get().updater.get().start(cube, 0);
+					cube.get().context.get().updater.get().start(cube, 0);
 				}
 				return true;
 			};
diff --git a/tests/book/src/cube_page.cpp b/tests/book/src/cube_page.cpp
index 3f201000..415614fe 100644
--- a/tests/book/src/cube_page.cpp
+++ b/tests/book/src/cube_page.cpp
@@ -102,8 +102,8 @@ class cube_widget : public ruis::widget, public ruis::updateable{
 };
 }
 
-cube_page::cube_page(const utki::shared_ref<ruis::context>& c) :
-		widget(c, tml::forest()),
+cube_page::cube_page(utki::shared_ref<ruis::context> c) :
+		widget(std::move(c), tml::forest()),
 		page(this->context, tml::forest()),
 		container(this->context, tml::read(R"qwertyuiop(
 				layout{pile}
@@ -142,7 +142,7 @@ cube_page::cube_page(const utki::shared_ref<ruis::context>& c) :
 }
 
 void cube_page::on_show(){
-	this->context.get().updater.get().start(this->cube, 0);
+	this->context.get().updater.get().start(utki::shared_ref(this->cube), 0);
 }
 
 void cube_page::on_hide()noexcept{
diff --git a/tests/book/src/cube_page.hpp b/tests/book/src/cube_page.hpp
index 5bdaaa51..06695753 100644
--- a/tests/book/src/cube_page.hpp
+++ b/tests/book/src/cube_page.hpp
@@ -9,7 +9,7 @@ class cube_page :
 {
 	std::shared_ptr<ruis::updateable> cube;
 public:
-	cube_page(const utki::shared_ref<ruis::context>& c);
+	cube_page(utki::shared_ref<ruis::context> c);
 	
 	cube_page(const cube_page&) = delete;
 	cube_page& operator=(const cube_page&) = delete;