diff --git a/libs/app/include/psemek/app/application.hpp b/libs/app/include/psemek/app/application.hpp
index b9cd1f36..96a1f110 100644
--- a/libs/app/include/psemek/app/application.hpp
+++ b/libs/app/include/psemek/app/application.hpp
@@ -24,9 +24,9 @@ namespace psemek::app
 			int multisampling = 4;
 			bool highdpi = false;
 #if defined(PSEMEK_GRAPHICS_API_WEBGPU)
-			std::vector<wgpu::feature> required_features;
-			std::optional<wgpu::limits> required_limits;
-			std::optional<wgpu::native_limits> required_native_limits;
+			std::vector<wgpu::feature> required_features = {};
+			std::optional<wgpu::limits> required_limits = {};
+			std::optional<wgpu::native_limits> required_native_limits = {};
 #endif
 		};