diff --git a/resources/bitmaps_png/icons/icon_3d.ico b/resources/bitmaps_png/icons/icon_3d.ico
index d968d83ed1..2f08e9f1d7 100644
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diff --git a/resources/bitmaps_png/icons/icon_bitmap2component.ico b/resources/bitmaps_png/icons/icon_bitmap2component.ico
index 6a9abf2bc8..794a8573bd 100644
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diff --git a/resources/bitmaps_png/icons/icon_cvpcb.ico b/resources/bitmaps_png/icons/icon_cvpcb.ico
index 557490b929..19c7d6d23a 100644
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diff --git a/resources/bitmaps_png/icons/icon_eeschema.ico b/resources/bitmaps_png/icons/icon_eeschema.ico
index 6e285ce868..e8ffd4d772 100644
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diff --git a/resources/bitmaps_png/icons/icon_gerbview.ico b/resources/bitmaps_png/icons/icon_gerbview.ico
index 32e5960f00..0f81fe7825 100644
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diff --git a/resources/bitmaps_png/icons/icon_kicad.ico b/resources/bitmaps_png/icons/icon_kicad.ico
index 5442df88e6..f4cf813a30 100644
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diff --git a/resources/bitmaps_png/icons/icon_kicad.png b/resources/bitmaps_png/icons/icon_kicad.png
index 4aa3bcea67..a1d8ab720c 100644
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diff --git a/resources/bitmaps_png/icons/icon_kicad_64.png b/resources/bitmaps_png/icons/icon_kicad_64.png
index 2403c9a685..7f4d59dc12 100644
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diff --git a/resources/bitmaps_png/icons/icon_kicad_nightly.ico b/resources/bitmaps_png/icons/icon_kicad_nightly.ico
index c8e961afdb..5424763cdd 100644
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diff --git a/resources/bitmaps_png/icons/icon_pagelayout_editor.ico b/resources/bitmaps_png/icons/icon_pagelayout_editor.ico
index 618d1fc613..7d8f1afb06 100644
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diff --git a/resources/bitmaps_png/icons/icon_pcbcalculator.ico b/resources/bitmaps_png/icons/icon_pcbcalculator.ico
index 4225d8aa83..a162721ba8 100644
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diff --git a/resources/bitmaps_png/icons/icon_pcbnew.ico b/resources/bitmaps_png/icons/icon_pcbnew.ico
index a05dd72c3a..11712c47e1 100644
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diff --git a/resources/bitmaps_png/icons/icon_pcm.ico b/resources/bitmaps_png/icons/icon_pcm.ico
index 5beec25f0a..820ccff9ef 100644
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diff --git a/resources/bitmaps_png/icons/mk_icn.sh b/resources/bitmaps_png/icons/mk_icn.sh
index c830f6b7b2..3d299ba52b 100644
--- a/resources/bitmaps_png/icons/mk_icn.sh
+++ b/resources/bitmaps_png/icons/mk_icn.sh
@@ -45,7 +45,7 @@ for fl in $ICON_FILES
 do
     NAME=${fl%.*} # strip the file extension
     icotool -c tmp/22/$NAME.png tmp/26/$NAME.png tmp/32/$NAME.png tmp/48/$NAME.png \
-	tmp/64/$NAME.png tmp/128/$NAME.png -o tmp/ico/$NAME.ico
+	tmp/64/$NAME.png tmp/128/$NAME.png tmp/256/$NAME.png -o tmp/ico/$NAME.ico
 	echo "file $fl converted in .ico file."
 done