diff --git a/assets/icon.ico b/assets/icon.ico
deleted file mode 100644
index e3a8ef3..0000000
Binary files a/assets/icon.ico and /dev/null differ
diff --git a/assets/icon.svg b/assets/icon.svg
deleted file mode 100644
index 3a7106a..0000000
--- a/assets/icon.svg
+++ /dev/null
@@ -1,11 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 256">
-  <rect x="8" y="8" width="240" height="240" rx="56" fill="#14171a"/>
-  <rect x="8" y="8" width="240" height="240" rx="56" fill="none" stroke="#2f353b" stroke-width="6"/>
-  <g transform="rotate(-10 128 128)">
-    <rect x="70" y="44" width="116" height="168" rx="14" fill="#1d2125" stroke="#3eb489" stroke-width="10"/>
-    <rect x="86" y="62" width="84" height="58" rx="6" fill="#24443a"/>
-  </g>
-  <circle cx="98" cy="166" r="13" fill="#c1d7e9"/>
-  <circle cx="130" cy="160" r="13" fill="#bab1ab"/>
-  <circle cx="162" cy="154" r="13" fill="#e49977"/>
-</svg>
diff --git a/images/mtga-assistant-icon.ico b/images/mtga-assistant-icon.ico
new file mode 100644
index 0000000..9f7e9b6
Binary files /dev/null and b/images/mtga-assistant-icon.ico differ
diff --git a/images/mtga-assistant-icon.png b/images/mtga-assistant-icon.png
new file mode 100644
index 0000000..b993cde
Binary files /dev/null and b/images/mtga-assistant-icon.png differ
diff --git a/packaging/make_icon.py b/packaging/make_icon.py
index b16aa83..c86a506 100644
--- a/packaging/make_icon.py
+++ b/packaging/make_icon.py
@@ -1,39 +1,41 @@
-"""Render assets/icon.svg to assets/icon.ico (PNG-compressed entries at the usual Windows sizes).
+"""Build the app icons from images/mtga-assistant-icon.png (the single source image).
 
-Run with: uv run python packaging/make_icon.py
+Writes:
+* src/mtga_assistant/icon.png: loaded at runtime for the window, taskbar and tray icon.
+* images/mtga-assistant-icon.ico: the Windows .exe icon (PNG-compressed entries at the usual sizes).
+
+Run after changing the source image:  uv run python packaging/make_icon.py
 """
 
+import shutil
 import struct
 import sys
 from pathlib import Path
 
 from PySide6.QtCore import QBuffer, QByteArray, QIODevice, Qt
-from PySide6.QtGui import QGuiApplication, QImage, QPainter
-from PySide6.QtSvg import QSvgRenderer
+from PySide6.QtGui import QGuiApplication, QImage
 
 SIZES = [16, 24, 32, 48, 64, 128, 256]
 ROOT = Path(__file__).resolve().parent.parent
+SOURCE = ROOT / "images" / "mtga-assistant-icon.png"
 
 
-def render_png(renderer: QSvgRenderer, size: int) -> bytes:
-    img = QImage(size, size, QImage.Format.Format_ARGB32)
-    img.fill(Qt.GlobalColor.transparent)
-    painter = QPainter(img)
-    painter.setRenderHint(QPainter.RenderHint.Antialiasing)
-    renderer.render(painter)
-    painter.end()
+def png_at(img: QImage, size: int) -> bytes:
+    scaled = img.scaled(size, size, Qt.AspectRatioMode.KeepAspectRatio, Qt.TransformationMode.SmoothTransformation)
     data = QByteArray()
     buf = QBuffer(data)
     buf.open(QIODevice.OpenModeFlag.WriteOnly)
-    img.save(buf, "PNG")
-    return bytes(data)
+    scaled.save(buf, "PNG")  # type: ignore[arg-type]  # PySide accepts str; its stubs say bytes
+    return data.data()
 
 
 def main() -> None:
     QGuiApplication(sys.argv[:1])
-    renderer = QSvgRenderer(str(ROOT / "assets/icon.svg"))
-    pngs = [(size, render_png(renderer, size)) for size in SIZES]
-    # ICONDIR header, then one ICONDIRENTRY per image, then the PNG data.
+    img = QImage(str(SOURCE))
+    if img.isNull():
+        sys.exit(f"can't read {SOURCE}")
+    pngs = [(size, png_at(img, size)) for size in SIZES]
+    # ICONDIR header, one ICONDIRENTRY per image, then the PNG data.
     out = struct.pack("<HHH", 0, 1, len(pngs))
     offset = 6 + 16 * len(pngs)
     for size, png in pngs:
@@ -41,10 +43,10 @@ def main() -> None:
         out += struct.pack("<BBBBHHII", dim, dim, 0, 0, 1, 32, len(png), offset)
         offset += len(png)
     out += b"".join(png for _, png in pngs)
-    (ROOT / "assets/icon.ico").write_bytes(out)
-    # The app loads this at runtime (window/taskbar icon), so it lives inside the package.
-    (ROOT / "src/mtga_assistant/icon.png").write_bytes(dict(pngs)[256])
-    print(f"wrote assets/icon.ico ({len(out)} bytes) and src/mtga_assistant/icon.png")
+    ico = SOURCE.with_suffix(".ico")
+    ico.write_bytes(out)
+    shutil.copyfile(SOURCE, ROOT / "src" / "mtga_assistant" / "icon.png")
+    print(f"wrote {ico.relative_to(ROOT)} and src/mtga_assistant/icon.png from {SOURCE.relative_to(ROOT)}")
 
 
 if __name__ == "__main__":
diff --git a/packaging/mtga-assistant.spec b/packaging/mtga-assistant.spec
index b7bdcf9..133c836 100644
--- a/packaging/mtga-assistant.spec
+++ b/packaging/mtga-assistant.spec
@@ -14,7 +14,6 @@ a = Analysis(
     # Qt modules the app doesn't use; keeps the bundle smaller.
     excludes=[
         "tkinter",
-        "PySide6.QtNetwork",
         "PySide6.QtQml",
         "PySide6.QtQuick",
         "PySide6.QtSql",
@@ -37,6 +36,6 @@ exe = EXE(
     exclude_binaries=True,
     name="MTGA Assistant",
     console=False,
-    icon=str(ROOT / "assets" / "icon.ico") if sys.platform == "win32" else None,
+    icon=str(ROOT / "images" / "mtga-assistant-icon.ico") if sys.platform == "win32" else None,
 )
 coll = COLLECT(exe, a.binaries, a.datas, name="MTGA Assistant")
diff --git a/src/mtga_assistant/icon.png b/src/mtga_assistant/icon.png
index b7f47e3..b993cde 100644
Binary files a/src/mtga_assistant/icon.png and b/src/mtga_assistant/icon.png differ