diff --git a/ui/sdl.c b/ui/sdl.c
index c5bb0a3..dc5c3a1 100644
--- a/ui/sdl.c
+++ b/ui/sdl.c
@@ -812,6 +812,7 @@
     uint8_t data = 0;
     DisplayAllocator *da;
     const SDL_VideoInfo *vi;
+    char *filename;
 
 #if defined(__APPLE__)
     /* always use generic keymaps */
@@ -844,6 +845,18 @@
     vi = SDL_GetVideoInfo();
     host_format = *(vi->vfmt);
 
+    /* Load a 32x32x4 image. White pixels are transparent. */
+    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu-icon.bmp");
+    if (filename) {
+        SDL_Surface *image = SDL_LoadBMP(filename);
+        if (image) {
+            uint32_t colorkey = SDL_MapRGB(image->format, 255, 255, 255);
+            SDL_SetColorKey(image, SDL_SRCCOLORKEY, colorkey);
+            SDL_WM_SetIcon(image, NULL);
+        }
+        qemu_free(filename);
+    }
+
     dcl = qemu_mallocz(sizeof(DisplayChangeListener));
     dcl->dpy_update = sdl_update;
     dcl->dpy_resize = sdl_resize;