diff --git a/.gitea/workflows/build_and_test.yml b/.gitea/workflows/build_and_test.yml
index 516f54555..48e6706ff 100644
--- a/.gitea/workflows/build_and_test.yml
+++ b/.gitea/workflows/build_and_test.yml
@@ -79,6 +79,14 @@ jobs:
           mkdir -p build
           cd build
           cmake -G Ninja -DJFJOCH_VIEWER_ONLY=ON -DJFJOCH_USE_CUDA=${{ matrix.use_cuda }} ${{ env.LINUX_CMAKE_FLAGS }} -DCMAKE_BUILD_TYPE=Release ..
+      # The quick cross-platform checks (tests/PortableTest.cpp and the [portable] cases), as on the
+      # Windows and macOS jobs, before anything is packaged. CPU-only cases.
+      - name: Portable tests
+        shell: bash
+        run: |
+          cd build
+          ninja -j16 jfjoch_portable_test
+          cd tests && ./jfjoch_portable_test "[portable]"
       - name: Build viewer, rugnux and XDS plugin tgz
         shell: bash
         run: |