diff --git a/assets/icons/genicons.sh b/assets/icons/genicons.sh
index 239c4e66e..66934c644 100755
--- a/assets/icons/genicons.sh
+++ b/assets/icons/genicons.sh
@@ -1,8 +1,8 @@
 #!/usr/bin/env bash
 
-for i in 16 22 24 32 64 128
+for i in 16 22 24 32 64 128 256
 do
   mkdir -p hicolor/${i}x${i}/apps
   inkscape -z -e hicolor/${i}x${i}/apps/icon.png -w $i -h $i ../images/linphone_logo.svg
 done
-convert hicolor/16x16/apps/icon.png hicolor/22x22/apps/icon.png hicolor/24x24/apps/icon.png hicolor/32x32/apps/icon.png hicolor/64x64/apps/icon.png hicolor/128x128/apps/icon.png -colors 256 ../icon.ico
+convert hicolor/16x16/apps/icon.png hicolor/22x22/apps/icon.png hicolor/24x24/apps/icon.png hicolor/32x32/apps/icon.png hicolor/64x64/apps/icon.png hicolor/128x128/apps/icon.png hicolor/256x256/apps/icon.png -colors 256 ../icon.ico