diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index c74fa15..065cacb 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -47,7 +47,7 @@ jobs:
     strategy:
       matrix:
         python-version: [3.9]
-        os: [ubuntu-latest, macos-12, windows-latest]
+        os: [ubuntu-22.04, macos-13, windows-latest]
 
     steps:
       - uses: actions/checkout@v4
@@ -70,7 +70,7 @@ jobs:
 
       - name: Install linux dependencies
         run: |
-          sudo apt-get update && sudo apt-get upgrade && sudo apt-get install pkg-config libicu-dev libqt5gui5 libfuse2
+          sudo apt-get update && sudo apt-get upgrade && sudo apt-get install pkg-config libicu-dev libqt5gui5 libfuse2 desktop-file-utils
         if: runner.os == 'Linux'
 
       - name: Build and install PyPi packages
diff --git a/.github/workflows/package.yaml b/.github/workflows/package.yaml
index 515bccf..9c58756 100644
--- a/.github/workflows/package.yaml
+++ b/.github/workflows/package.yaml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       matrix:
         python-version: [3.9]
-        os: [ubuntu-latest, macos-12, windows-latest]
+        os: [ubuntu-22.04, macos-13, windows-latest]
 
     steps:
       - uses: actions/checkout@v4
@@ -39,7 +39,7 @@ jobs:
 
       - name: Install linux dependencies
         run: |
-          sudo apt-get update && sudo apt-get upgrade && sudo apt-get install pkg-config libicu-dev libqt5gui5 libfuse2
+          sudo apt-get update && sudo apt-get upgrade && sudo apt-get install pkg-config libicu-dev libqt5gui5 libfuse2 desktop-file-utils
         if: runner.os == 'Linux'
 
       - name: Build, Install and Test PyPi packages
diff --git a/build-tools/get_appimage.py b/build-tools/get_appimage.py
index efc1021..ebf6f08 100644
--- a/build-tools/get_appimage.py
+++ b/build-tools/get_appimage.py
@@ -27,7 +27,7 @@ if opts.APPIMAGETOOL.exists():
     raise SystemExit(0)
 
 urlretrieve(
-    "https://github.com/AppImage/AppImageKit/releases/latest/download/appimagetool-x86_64.AppImage", opts.APPIMAGETOOL
+    "https://github.com/AppImage/appimagetool/releases/latest/download/appimagetool-x86_64.AppImage", opts.APPIMAGETOOL
 )
 os.chmod(opts.APPIMAGETOOL, 0o0700)
 
diff --git a/comictaggerlib/ctsettings/plugin_finder.py b/comictaggerlib/ctsettings/plugin_finder.py
index 70c3b3a..0d3ba6d 100644
--- a/comictaggerlib/ctsettings/plugin_finder.py
+++ b/comictaggerlib/ctsettings/plugin_finder.py
@@ -135,6 +135,8 @@ def _find_local_plugins(plugin_path: pathlib.Path) -> Generator[Plugin]:
 def find_plugins(plugin_folder: pathlib.Path) -> Plugins:
     """Discovers all plugins (but does not load them)."""
     ret: list[LoadedPlugin] = []
+    if not plugin_folder.is_dir():
+        return _classify_plugins(ret)
 
     zips = [x for x in plugin_folder.iterdir() if x.is_file() and x.suffix in (".zip", ".whl")]