diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index f8cb5024b..953d1a019 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -30,7 +30,7 @@ website: https://shiosyakeyakini.info/miria_web
 source-code: https://github.com/shiosyakeyakini-info/miria
 issues: https://github.com/shiosyakeyakini-info/miria/issues
 donation: https://shiosyakeyakini.fanbox.cc
-icon: assets/images/icon.png
+icon: macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_256.png
 adopt-info: miria
 base: core22
 grade: stable
@@ -98,7 +98,7 @@ parts:
       set -eux
       flutter build linux --release 
       cp -r build/linux/*/release/bundle/* $CRAFT_PART_INSTALL/usr/share/miria/
-      convert assets/images/icon.png -resize 256x256 $CRAFT_PART_INSTALL/meta/gui/miria.png
+      cp macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_256.png $CRAFT_PART_INSTALL/meta/gui/miria.png
 
   # Snapとファイル選択ダイアログの統合のため
   # 詳細: https://forum.snapcraft.io/t/integrate-custom-dialogs-in-your-snap/10825