diff --git a/examples/raytrace/gltf-loader.cc b/examples/raytrace/gltf-loader.cc
index 5283c80..30558c3 100644
--- a/examples/raytrace/gltf-loader.cc
+++ b/examples/raytrace/gltf-loader.cc
@@ -470,7 +470,8 @@ bool LoadGLTF(const std::string &filename, float scale,
       ret = true;
     }
 
-    return ret;
   }
+
+  return ret;
 }
 }  // namespace example
diff --git a/examples/raytrace/render.cc b/examples/raytrace/render.cc
index de1c1f2..1749369 100644
--- a/examples/raytrace/render.cc
+++ b/examples/raytrace/render.cc
@@ -443,7 +443,7 @@ bool Renderer::Render(float* rgba, float* aux_rgba, int* sample_counts,
             float specular_col[3];
 			
 			//tigra: material_id is ok
-			if(material_id>=0 && material_id<materials.size())
+			if(material_id<materials.size())
 			{
 				//printf("ok mat\n");