diff --git a/build-tools/get_appimage.py b/build-tools/get_appimage.py
index 5a5ed1c..82b5d0f 100644
--- a/build-tools/get_appimage.py
+++ b/build-tools/get_appimage.py
@@ -1,26 +1,33 @@
 from __future__ import annotations
 
+import argparse
 import os
 import pathlib
 import stat
 
 import requests
 
+parser = argparse.ArgumentParser()
+parser.add_argument("APPIMAGETOOL", default="build/appimagetool-x86_64.AppImage", type=pathlib.Path, nargs="?")
 
-def urlretrieve(url: str, dest: str) -> None:
+opts = parser.parse_args()
+opts.APPIMAGETOOL = opts.APPIMAGETOOL.absolute()
+
+
+def urlretrieve(url: str, dest: pathlib.Path) -> None:
     resp = requests.get(url)
     if resp.status_code == 200:
-        pathlib.Path(dest).write_bytes(resp.content)
+        dest.parent.mkdir(parents=True, exist_ok=True)
+        dest.write_bytes(resp.content)
 
 
-APPIMAGETOOL = "build/appimagetool-x86_64.AppImage"
-if os.path.exists(APPIMAGETOOL):
+if opts.APPIMAGETOOL.exists():
     raise SystemExit(0)
 
 urlretrieve(
-    "https://github.com/AppImage/AppImageKit/releases/latest/download/appimagetool-x86_64.AppImage", APPIMAGETOOL
+    "https://github.com/AppImage/AppImageKit/releases/latest/download/appimagetool-x86_64.AppImage", opts.APPIMAGETOOL
 )
-os.chmod(APPIMAGETOOL, stat.S_IRWXU)
+os.chmod(opts.APPIMAGETOOL, stat.S_IRWXU)
 
-if not os.path.exists(APPIMAGETOOL):
+if not opts.APPIMAGETOOL.exists():
     raise SystemExit(1)
diff --git a/setup.cfg b/setup.cfg
index d8c9adb..9c58e7f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -222,7 +222,7 @@ commands =
 [testenv:appimage]
 description = Generate appimage executable
 skip_install = true
-platform = Linux
+platform = linux
 base = {env:tox_env:testenv}
 labels =
     release
@@ -233,20 +233,21 @@ depends =
     pyinstaller
 deps =
     requests
-extras =
-    all
+allowlist_externals =
+    {tox_root}/build/appimagetool-x86_64.AppImage
+change_dir = dist
+commands_pre =
+    -python -c 'import shutil; shutil.rmtree("{tox_root}/build/", ignore_errors=True)'
+    python {tox_root}/build-tools/get_appimage.py {tox_root}/build/appimagetool-x86_64.AppImage
 commands =
-    python -c 'import importlib,platform; importlib.import_module("icu") if platform.system() != "Windows" else ...' # Sanity check for icu
-    -python -c 'import shutil; shutil.rmtree("./build/", ignore_errors=True)'
-    python -c 'import shutil,pathlib; shutil.copytree("./dist/comictagger/", "./build/appimage", dirs_exist_ok=True); \
-    shutil.copy("./comictaggerlib/graphics/app.png", "./build/appimage/app.png"); \
-    pathlib.Path("./build/appimage/AppRun").symlink_to("comictagger"); \
-    pathlib.Path("./build/appimage/AppRun.desktop").write_text( \
-    pathlib.Path("build-tools/ComicTagger.desktop").read_text() \
+    python -c 'import shutil,pathlib; shutil.copytree("{tox_root}/dist/comictagger/", "{tox_root}/build/appimage", dirs_exist_ok=True); \
+    shutil.copy("{tox_root}/comictaggerlib/graphics/app.png", "{tox_root}/build/appimage/app.png"); \
+    pathlib.Path("{tox_root}/build/appimage/AppRun").symlink_to("comictagger"); \
+    pathlib.Path("{tox_root}/build/appimage/AppRun.desktop").write_text( \
+    pathlib.Path("{tox_root}/build-tools/ComicTagger.desktop").read_text() \
     .replace("/usr/local/share/comictagger/app.png", "app") \
-    .replace("Exec=comictagger", "Exec=./comictagger"))'
-    python ./build-tools/get_appimage.py
-    ./build/appimagetool ./build/appimage
+    .replace("Exec=comictagger", "Exec={tox_root}/comictagger"))'
+    {tox_root}/build/appimagetool-x86_64.AppImage {tox_root}/build/appimage
 
 [testenv:zip_artifacts]
 description = Zip release artifacts