diff --git a/D.icns b/D.icns
index 45c17d03..f641b166 100644
Binary files a/D.icns and b/D.icns differ
diff --git a/D.ico b/D.ico
new file mode 100644
index 00000000..e1e9d89b
Binary files /dev/null and b/D.ico differ
diff --git a/D.sh b/D.sh
index c1b5217e..6ae3b30f 100755
--- a/D.sh
+++ b/D.sh
@@ -1,12 +1,12 @@
 #!/bin/bash
 
-rm D.icns
-
-for S in 16 32 48 128 256 512; do
-convert D.png -resize ${S}x${S} icns_${S}px.png
-
+for S in 16 24 32 48 128 256 512; do
+    convert D.png -resize ${S}x${S} D$S.png
 done
 
-png2icns D.icns icns_*px.png
+# http://stackoverflow.com/questions/3236115/which-icon-sizes-should-my-windows-applications-icon-include
+convert D{16,24,32,48,256}.png D.ico
+
+png2icns D.icns D{16,32,48,128,256,512}.png > /dev/null
 
-rm icns_*px.png
+rm D[0-9]*.png