diff --git a/inferno/src/inferno/assert.h b/inferno/src/inferno/assert.h
index 7168ae7..1c76171 100644
--- a/inferno/src/inferno/assert.h
+++ b/inferno/src/inferno/assert.h
@@ -2,6 +2,7 @@
 #define ASSERT_H
 
 #include <csignal> // raise
+#include <cstdint> // uint32_t
 
 #include "inferno/core.h"
 #include "inferno/io/log.h"
@@ -43,7 +44,7 @@ namespace Inferno {
 
 	#ifdef NF_ENABLE_ASSERTS
 		template<typename... P>
-		inline void __assert_fail(const char* assertion, const char* file, unsigned int line, const char* function, P&&... parameters)
+		inline void __assert_fail(const char* assertion, const char* file, uint32_t line, const char* function, P&&... parameters)
 		{
 			dangerln(false, "ASSERTION `{}' FAILED.", assertion);
 
diff --git a/inferno/src/inferno/settings.cpp b/inferno/src/inferno/settings.cpp
index 06909ad..973557c 100644
--- a/inferno/src/inferno/settings.cpp
+++ b/inferno/src/inferno/settings.cpp
@@ -1,8 +1,10 @@
-#include <string> // std::string
+#include <cstdint> // uint32_t
+#include <string>  // std::string
 
 #include "inferno/io/file.h"
 #include "inferno/io/log.h"
 #include "inferno/settings.h"
+#include "inferno/util/json.h"
 
 namespace Inferno {
 
@@ -21,16 +23,23 @@ namespace Inferno {
 		nlohmann::json json;
 		Settings::load(json);
 
-		try {
-			m_properties.window.title       = json["window"]["title"].get<std::string>();
-			m_properties.window.width       = json["window"]["width"].get<int>();
-			m_properties.window.height      = json["window"]["height"].get<int>();
-			m_properties.window.fullscreen  = json["window"]["fullscreen"].get<std::string>();
-			m_properties.window.vsync       = json["window"]["vsync"].get<bool>();
-		}
-		catch (...) {
-			warn() << "Settings syntax error: using default values";
+		if (!Json::hasProperty(json, "window")) {
+			warn() << "Settings has no window section, using default values";
+			return;
 		}
+
+		auto window = json["window"];
+		auto title = Json::parseStringProperty(window, "title", false);
+		auto width = Json::parseUnsignedProperty(window, "width", false);
+		auto height = Json::parseUnsignedProperty(window, "height", false);
+		auto fullscreen = Json::parseStringProperty(window, "fullscreen", false);
+		auto vsync = Json::parseBoolProperty(window, "vsync", false);
+
+		if (title)      m_properties.window.title = title.value();
+		if (width)      m_properties.window.width = width.value();
+		if (height)     m_properties.window.height = height.value();
+		if (fullscreen) m_properties.window.fullscreen = fullscreen.value();
+		if (vsync)      m_properties.window.vsync = vsync.value();
 	}
 
 	void Settings::destroy()
diff --git a/inferno/src/inferno/window.cpp b/inferno/src/inferno/window.cpp
index be10619..c05614e 100644
--- a/inferno/src/inferno/window.cpp
+++ b/inferno/src/inferno/window.cpp
@@ -42,10 +42,10 @@ namespace Inferno {
 
 	void Window::initialize()
 	{
-		std::string title      = m_properties.title;
-		unsigned int width     = m_properties.width;
-		unsigned int height    = m_properties.height;
-		bool vsync             = m_properties.vsync;
+		std::string title = m_properties.title;
+		uint32_t width    = m_properties.width;
+		uint32_t height   = m_properties.height;
+		bool vsync        = m_properties.vsync;
 
 		// Only init once
 		if (s_windowCount == 0) {
diff --git a/inferno/src/inferno/window.h b/inferno/src/inferno/window.h
index 574b074..69f51dd 100644
--- a/inferno/src/inferno/window.h
+++ b/inferno/src/inferno/window.h
@@ -1,6 +1,7 @@
 #ifndef WINDOW_H
 #define WINDOW_H
 
+#include <cstdint>    // uint32_t
 #include <functional> // std::function
 #include <memory>     // std::shared_ptr
 #include <string>     // std::string
@@ -14,8 +15,8 @@ namespace Inferno {
 
 	struct WindowProperties {
 		std::string title { "Inferno" };
-		int width = 1280;
-		int height = 720;
+		uint32_t width = 1280;
+		uint32_t height = 720;
 		std::string fullscreen { "windowed" }; // windowed/fullscreen/borderless
 		bool vsync = true;
 	};
@@ -42,8 +43,8 @@ namespace Inferno {
 
 		bool shouldClose() const;
 		inline float getAspect() const { return static_cast<float>(m_properties.width) / static_cast<float>(m_properties.height); }
-		inline int getWidth() const { return m_properties.width; }
-		inline int getHeight() const { return m_properties.height; }
+		inline uint32_t getWidth() const { return m_properties.width; }
+		inline uint32_t getHeight() const { return m_properties.height; }
 
 		inline GLFWwindow* getWindow() const { return m_window; }
 		inline const std::shared_ptr<Context>& getContext() const { return m_context; }