diff --git a/private/sdl_gpu_test/3_textured_quad/app.cpp b/private/sdl_gpu_test/3_textured_quad/app.cpp
index 9efcd5c..c430212 100644
--- a/private/sdl_gpu_test/3_textured_quad/app.cpp
+++ b/private/sdl_gpu_test/3_textured_quad/app.cpp
@@ -128,7 +128,7 @@ void TexturedQuadApp::update(const AppUpdateArgs& args)
     renderPass.bindFragmentSampler({.texture = mTexture, .sampler = mSampler});
     renderPass.bindGraphicsPipeline(mPipeline);
     renderPass.bindVertexBuffer({.buffer = mVertexBuffer});
-    renderPass.drawPrimitives({.numVertices = VERTICES.size()});
+    renderPass.drawPrimitives({.numVertices = static_cast<Uint32>(VERTICES.size())});
     renderPass.end();
     cmdBuffer.submit();
 }
diff --git a/private/sdl_gpu_test/application.cpp b/private/sdl_gpu_test/application.cpp
index 785f15b..8206118 100644
--- a/private/sdl_gpu_test/application.cpp
+++ b/private/sdl_gpu_test/application.cpp
@@ -49,13 +49,13 @@ void Application::update(const AppUpdateArgs&)
 
 void Application::run(std::span<const char*> args)
 {
-    using clock_t = std::chrono::steady_clock;
+    using app_clock_t = std::chrono::steady_clock;
     init({
         .programArgs = args
     });
 
-    const clock_t::time_point startTime = clock_t::now();
-    clock_t::time_point lastFrameTime = startTime;
+    const app_clock_t::time_point startTime = app_clock_t::now();
+    app_clock_t::time_point lastFrameTime = startTime;
     while (mRunning)
     {
         std::optional<sdlpp::sdl_event_t> event;
@@ -71,7 +71,7 @@ void Application::run(std::span<const char*> args)
             }, *event);
         }
 
-        const clock_t::time_point frameTime = clock_t::now();
+        const app_clock_t::time_point frameTime = app_clock_t::now();
         update({
             .secondsSinceStart = std::chrono::duration_cast<std::chrono::duration<float>>(frameTime - startTime).count(),
             .tickSeconds = std::chrono::duration_cast<std::chrono::duration<float>>(frameTime - lastFrameTime).count()
diff --git a/private/sdl_gpu_test/sdlpp/gpu.hpp b/private/sdl_gpu_test/sdlpp/gpu.hpp
index b4bcf4d..813de24 100644
--- a/private/sdl_gpu_test/sdlpp/gpu.hpp
+++ b/private/sdl_gpu_test/sdlpp/gpu.hpp
@@ -849,7 +849,7 @@ public:
             /* command_buffer = */ mHandle,
             /* slot_index     = */ slotIndex,
             /* data           = */ data.data(),
-            /* length         = */ data.size_bytes()
+            /* length         = */ static_cast<Uint32>(data.size_bytes())
         );
     }
 
@@ -860,7 +860,7 @@ public:
             /* command_buffer = */ mHandle,
             /* slot_index     = */ slotIndex,
             /* data           = */ data.data(),
-            /* length         = */ data.size_bytes()
+            /* length         = */ static_cast<Uint32>(data.size_bytes())
         );
     }