diff --git a/.github/workflows/key4hep.yml b/.github/workflows/key4hep.yml
index 5f5530c65..d0b273511 100644
--- a/.github/workflows/key4hep.yml
+++ b/.github/workflows/key4hep.yml
@@ -33,7 +33,7 @@ jobs:
             -DCMAKE_INSTALL_PREFIX=../install \
             -DCMAKE_CXX_STANDARD=17 \
             -DCMAKE_CXX_FLAGS=" -fdiagnostics-color=always -Werror -Wno-error=deprecated-declarations " \
-            -DUSE_EXTERNAL_CATCH2=ON \
+            -DUSE_EXTERNAL_CATCH2=AUTO \
             -DENABLE_RNTUPLE=${{ matrix.RNTUPLE }} \
             -G Ninja ..
           echo "::endgroup::"