diff --git a/packaging/osx/AppIcon.iconset/icon_512x512@2x.png b/packaging/osx/AppIcon.iconset/icon_512x512@2x.png
new file mode 100644
index 00000000..2af97a3c
Binary files /dev/null and b/packaging/osx/AppIcon.iconset/icon_512x512@2x.png differ
diff --git a/packaging/osx/exportappicons.sh b/packaging/osx/exportappicons.sh
index 6988aa66..88635f45 100755
--- a/packaging/osx/exportappicons.sh
+++ b/packaging/osx/exportappicons.sh
@@ -24,6 +24,7 @@ SIZES=(
   "256:1"
   "256:2"
   "512:1"
+  "512:2"
 )
 
 for size in "${SIZES[@]}" ; do