diff --git a/src/graphics/graphics.c b/src/graphics/graphics.c
index 5173de3d..8fce64c4 100644
--- a/src/graphics/graphics.c
+++ b/src/graphics/graphics.c
@@ -86,9 +86,15 @@ void lovrGraphicsCreateWindow(int w, int h, bool fullscreen, int msaa, const cha
 
     if (icon) {
       GLFWimage image;
-      image.pixels = stbi_load(icon, &image.width, &image.height, NULL, 3);
+      size_t size;
+      lovrAssert(lovrFilesystemIsFile(icon), "Could not read icon from %s", icon);
+      void* data = lovrFilesystemRead(icon, &size);
+      lovrAssert(data, "Could not read icon from %s", icon);
+      image.pixels = stbi_load_from_memory(data, size, &image.width, &image.height, NULL, 4);
+      lovrAssert(image.pixels, "Could not read icon from %s", icon);
       glfwSetWindowIcon(state.window, 1, &image);
       free(image.pixels);
+      free(data);
     }
 
     glfwMakeContextCurrent(state.window);
diff --git a/src/lib/stb/stb_image.c b/src/lib/stb/stb_image.c
index 8ddfd1f5..afb8f103 100644
--- a/src/lib/stb/stb_image.c
+++ b/src/lib/stb/stb_image.c
@@ -1,2 +1,6 @@
 #define STB_IMAGE_IMPLEMENTATION
+#define STBI_NO_STDIO
+#define STBI_ONLY_JPEG
+#define STBI_ONLY_PNG
+#define STBI_ONLY_HDR
 #include "stb_image.h"