diff --git a/examples/raytrace/stbi-impl.cc b/examples/raytrace/img-loaders.cc
similarity index 52%
rename from examples/raytrace/stbi-impl.cc
rename to examples/raytrace/img-loaders.cc
index 0375a5a..baa2b28 100644
--- a/examples/raytrace/stbi-impl.cc
+++ b/examples/raytrace/img-loaders.cc
@@ -1,3 +1,5 @@
 
 #define STB_IMAGE_IMPLEMENTATION
 #include "stb_image.h"
+#define LODEPNG_IMPLEMENTATION
+#include "lodepng.h"
diff --git a/examples/raytrace/premake5.lua b/examples/raytrace/premake5.lua
index d035674..4007544 100644
--- a/examples/raytrace/premake5.lua
+++ b/examples/raytrace/premake5.lua
@@ -9,7 +9,7 @@ newoption {
 }
 
 sources = {
-   "stbi-impl.cc",
+   "img-loaders.cc",
    "main.cc",
    "render.cc",
    "render-config.cc",