diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a0b3487..c8ca8b2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -22,6 +22,10 @@ workflow:
     - flatpak install -y --user flathub org.gnome.Platform//50 org.gnome.Sdk//50
     - flatpak install -y --user flathub org.freedesktop.Sdk.Extension.llvm22//25.08
     - flatpak install -y --user flathub org.freedesktop.Sdk.Extension.rust-stable//25.08
+    - flatpak info org.gnome.Platform
+    - flatpak info org.gnome.Sdk
+    - flatpak info org.freedesktop.Sdk.Extension.llvm22
+    - flatpak info org.freedesktop.Sdk.Extension.rust-stable
     - flatpak-builder --version
 
 build:
diff --git a/build-aux/org.pipewire.Helvum.json b/build-aux/org.pipewire.Helvum.json
index 1144ac4..e0f9df3 100644
--- a/build-aux/org.pipewire.Helvum.json
+++ b/build-aux/org.pipewire.Helvum.json
@@ -13,7 +13,8 @@
         "--socket=wayland",
         "--device=dri",
         "--share=ipc",
-        "--filesystem=xdg-run/pipewire-0"
+        "--filesystem=xdg-run/pipewire-0",
+        "--filesystem=host"
     ],
     "build-options": {
         "append-path": "/usr/lib/sdk/rust-stable/bin:/usr/lib/sdk/llvm22/bin",
diff --git a/data/meson.build b/data/meson.build
index 305c8f4..7c35ed5 100644
--- a/data/meson.build
+++ b/data/meson.build
@@ -11,10 +11,11 @@ desktop_file = configure_file(
 if desktop_file_validate.found()
   test(
     'validate-desktop',
-    desktop_file_validate,
+    sh,
     args: [
-      desktop_file
-    ],
+      '-c',
+      'desktop-file-validate data/' + base_id + '.desktop'
+    ]
   )
 endif
 
@@ -36,10 +37,11 @@ appdata_file = configure_file(
 if appstream_util.found()
   test(
     'validate-appdata',
-    appstream_util,
+    sh,
     args: [
-      'validate', '--nonet', appdata_file
-    ],
+      '-c',
+      'appstream-util validate --nonet data/' + base_id + '.metainfo.xml'
+    ]
   )
 endif
 
diff --git a/meson.build b/meson.build
index 0a726c7..83ab731 100644
--- a/meson.build
+++ b/meson.build
@@ -22,6 +22,7 @@ dependency('libpipewire-0.3', version: '>= 1.6.0')
 desktop_file_validate = find_program('desktop-file-validate', required: false)
 appstream_util = find_program('appstream-util', required: false)
 cargo = find_program('cargo', required: true)
+sh = find_program('sh', required: true)
 
 prefix = get_option('prefix')
 bindir = prefix / get_option('bindir')