diff --git a/src/components/AsyncReqComponent.h b/src/components/AsyncReqComponent.h
index 47b43fdfb..55a5624f7 100644
--- a/src/components/AsyncReqComponent.h
+++ b/src/components/AsyncReqComponent.h
@@ -24,7 +24,7 @@ class AsyncReqComponent : public GuiComponent
 {
 public:
 
-	AsyncReqComponent(Window* window, std::shared_ptr<HttpReq> req, std::function<void(std::shared_ptr<HttpReq>)> onSuccess, std::function<void()> onCancel = NULL);
+	AsyncReqComponent(Window* window, std::shared_ptr<HttpReq> req, std::function<void(std::shared_ptr<HttpReq>)> onSuccess, std::function<void()> onCancel = nullptr);
 
 	bool input(InputConfig* config, Input input) override;
 	void update(int deltaTime) override;
diff --git a/src/components/GuiGameScraper.h b/src/components/GuiGameScraper.h
index c70052bed..db8d0191f 100644
--- a/src/components/GuiGameScraper.h
+++ b/src/components/GuiGameScraper.h
@@ -14,7 +14,7 @@
 class GuiGameScraper : public GuiComponent
 {
 public:
-	GuiGameScraper(Window* window, ScraperSearchParams params, std::function<void(MetaDataList)> doneFunc, std::function<void()> skipFunc = NULL);
+	GuiGameScraper(Window* window, ScraperSearchParams params, std::function<void(MetaDataList)> doneFunc, std::function<void()> skipFunc = nullptr);
 
 	bool input(InputConfig* config, Input input) override;
 	void update(int deltaTime) override;