diff --git a/openVulkanoCpp/Host/GraphicsAppManager.cpp b/openVulkanoCpp/Host/GraphicsAppManager.cpp
index 590985e..f9cd1bb 100644
--- a/openVulkanoCpp/Host/GraphicsAppManager.cpp
+++ b/openVulkanoCpp/Host/GraphicsAppManager.cpp
@@ -191,6 +191,7 @@ namespace OpenVulkano
 	{
 		if (window != this->window) return;
 		Resume();
+		CURRENT_FRAME.needsRedraw = true;
 	}
 
 	void GraphicsAppManager::OnWindowFocusLost(IWindow* window)
@@ -209,6 +210,7 @@ namespace OpenVulkano
 		if(window != this->window) return;
 		if (window->GetWidth() != newWidth || window->GetHeight() != newHeight) window->SetSize(newWidth, newHeight);
 		renderer->Resize(newWidth, newHeight);
+		CURRENT_FRAME.needsRedraw = true;
 	}
 
 	void GraphicsAppManager::OnWindowClose(OpenVulkano::IWindow* window)