diff --git a/.github/workflows/Release.yml b/.github/workflows/Release.yml
index b71c154..e47feac 100644
--- a/.github/workflows/Release.yml
+++ b/.github/workflows/Release.yml
@@ -132,15 +132,20 @@ Docs: https://github.com/M5Devs/OpenROM
         run: |
           Get-Content SECURITY.md | Out-File -FilePath SECURITY.txt -Encoding utf8
 
-      - name: Generate installer images (24-bit BMP for NSIS)
+      - name: Generate installer images (24-bit BMP + ICO for NSIS)
         run: |
           magick assets/icons/icon.png `
             -resize 164x314 -background "#090910" -gravity center `
             -extent 164x314 -type TrueColor -depth 24 `
-            assets/icons/installer-sidebar.bmp
+            BMP3:assets/icons/installer-sidebar.bmp
+
           magick assets/icons/OpenROM-Banner.jpeg `
             -resize 150x57 -type TrueColor -depth 24 `
-            assets/icons/installer-header.bmp
+            BMP3:assets/icons/installer-header.bmp
+
+          magick assets/icons/icon.png `
+            -define icon:auto-resize=256,128,64,48,32,16 `
+            assets/icons/icon.ico
 
       - name: Build Windows installer
         run: |