diff --git a/.ci/flatpak/build.sh b/.ci/flatpak/build.sh
index 4a6bd436508..29841a8113f 100755
--- a/.ci/flatpak/build.sh
+++ b/.ci/flatpak/build.sh
@@ -36,22 +36,45 @@ echo "  -> Size (bytes): $(stat -c %s "${WZ_FLATPAK_BUNDLE}")"
 
 WZ_FLATPAK_BUILD_PATH="${WZ_FLATPAK_BUILD_DIR}/files/share"
 
-echo "::group::Validating: appdata/${WZ_FLATPAK_APPID}.appdata.xml"
-if [ -x "$(command -v appstreamcli)" ]; then
-  echo "appstreamcli validate ${WZ_FLATPAK_BUILD_PATH}/appdata/${WZ_FLATPAK_APPID}.appdata.xml"
-  appstreamcli validate ${WZ_FLATPAK_BUILD_PATH}/appdata/${WZ_FLATPAK_APPID}.appdata.xml
+WZ_FLATPAK_APPSTREAM_PATH="${WZ_FLATPAK_BUILD_PATH}/metainfo/${WZ_FLATPAK_APPID}.metainfo.xml"
+if [ ! -f "${WZ_FLATPAK_APPSTREAM_PATH}" ]; then
+  # try the old path?
+  WZ_FLATPAK_APPSTREAM_PATH="${WZ_FLATPAK_BUILD_PATH}/appdata/${WZ_FLATPAK_APPID}.appdata.xml"
+fi
+
+if [ -f "${WZ_FLATPAK_APPSTREAM_PATH}" ]; then
+  echo "::group::Validating appstream"
+  if [ -x "$(command -v appstreamcli)" ]; then
+    echo "appstreamcli validate ${WZ_FLATPAK_APPSTREAM_PATH}"
+    appstreamcli validate "${WZ_FLATPAK_APPSTREAM_PATH}"
+  else
+    # Older utility fallback
+    echo "appstream-util validate ${WZ_FLATPAK_APPSTREAM_PATH}"
+    appstream-util validate "${WZ_FLATPAK_APPSTREAM_PATH}"
+  fi
+  echo "::endgroup::"
 else
-  # Older utility fallback
-  echo "appstream-util validate ${WZ_FLATPAK_BUILD_PATH}/appdata/${WZ_FLATPAK_APPID}.appdata.xml"
-  appstream-util validate ${WZ_FLATPAK_BUILD_PATH}/appdata/${WZ_FLATPAK_APPID}.appdata.xml
+  echo "::warning ::Could not find appstream file to validate?"
 fi
-echo "::endgroup::"
 
 echo "::group::Verify icon and metadata in app-info"
 test -f "${WZ_FLATPAK_BUILD_PATH}/app-info/icons/flatpak/128x128/${WZ_FLATPAK_APPID}.png" || { echo "Missing 128x128 icon in app-info" ; exit 1; }
 test -f "${WZ_FLATPAK_BUILD_PATH}/app-info/xmls/${WZ_FLATPAK_APPID}.xml.gz" || { echo "Missing ${WZ_FLATPAK_APPID}.xml.gz in app-info" ; exit 1; }
 echo "::endgroup::"
 
+echo "::group::Check screenshots"
+if [ ! -d "${WZ_FLATPAK_BUILD_DIR}/screenshots" ]; then
+  echo "::notice ::Screenshots not mirrored by flatpak-builder?"
+else
+  echo "Found screenshots:"
+  find "${WZ_FLATPAK_BUILD_DIR}/screenshots" -type f
+fi
+echo "::endgroup::"
+
 echo "::group::Commit screenshots to the OSTree repository"
-ostree commit --repo=${WZ_FLATPAK_LOCAL_REPO_NAME} --canonical-permissions --branch=screenshots/${WZ_FLATPAK_TARGET_ARCH} "${WZ_FLATPAK_BUILD_DIR}/screenshots"
+if [ -d "${WZ_FLATPAK_BUILD_DIR}/screenshots" ]; then
+  ostree commit --repo=${WZ_FLATPAK_LOCAL_REPO_NAME} --canonical-permissions --branch=screenshots/${WZ_FLATPAK_TARGET_ARCH} "${WZ_FLATPAK_BUILD_DIR}/screenshots"
+else
+  echo "::warning ::Screenshots not added to OSTree repository"
+fi
 echo "::endgroup::"
diff --git a/.github/workflows/CI_flatpak.yml b/.github/workflows/CI_flatpak.yml
index 208d27ff99a..d75c67df8b1 100644
--- a/.github/workflows/CI_flatpak.yml
+++ b/.github/workflows/CI_flatpak.yml
@@ -226,6 +226,11 @@ jobs:
         . src/.ci/flatpak/build.sh
         echo "WZ_FLATPAK_LOCAL_REPO_NAME=${WZ_FLATPAK_LOCAL_REPO_NAME}"
         echo "WZ_FLATPAK_LOCAL_REPO_NAME=${WZ_FLATPAK_LOCAL_REPO_NAME}" >> $GITHUB_OUTPUT
+    - name: Output generated files listing
+      shell: bash
+      working-directory: flatpak_app/files
+      run: |
+        find . -type f
     - name: Lint Flatpak
       continue-on-error: true
       env:
@@ -245,11 +250,6 @@ jobs:
       with:
         name: 'warzone2100_linux_flatpak_${{ matrix.arch }}'
         path: ${{ steps.settings.outputs.WZ_FLATPAK_BUNDLE }}
-    - name: Output generated files listing
-      shell: bash
-      working-directory: flatpak_app/files
-      run: |
-        find . -type f
     - name: Upload debug info
       uses: actions/upload-artifact@v3
       with: