diff --git a/pkgs/by-name/st/stm32cubemx/package.nix b/pkgs/by-name/st/stm32cubemx/package.nix
index 98c7ee39c83d..1e79086142a7 100644
--- a/pkgs/by-name/st/stm32cubemx/package.nix
+++ b/pkgs/by-name/st/stm32cubemx/package.nix
@@ -61,16 +61,15 @@ let
       EOF
       chmod +x $out/bin/${pname}
 
-      icotool --extract $out/opt/STM32CubeMX/help/${iconame}.ico
       fdupes -dN . > /dev/null
       ls
       for size in 16 24 32 48 64 128 256; do
         mkdir -pv $out/share/icons/hicolor/"$size"x"$size"/apps
         if [ $size -eq 256 ]; then
-          mv ${iconame}_*_"$size"x"$size"x32.png \
+          cp $out/opt/STM32CubeMX/help/${iconame}.png \
             $out/share/icons/hicolor/"$size"x"$size"/apps/${pname}.png
         else
-          convert -resize "$size"x"$size" ${iconame}_*_256x256x32.png \
+          magick $out/opt/STM32CubeMX/help/${iconame}.png -resize "$size"x"$size" \
             $out/share/icons/hicolor/"$size"x"$size"/apps/${pname}.png
         fi
       done;