diff --git a/.github/workflows/sanitizers.yaml b/.github/workflows/sanitizers.yaml
index afeefa15e..da47f859f 100644
--- a/.github/workflows/sanitizers.yaml
+++ b/.github/workflows/sanitizers.yaml
@@ -44,6 +44,7 @@ jobs:
               -DUSE_EXTERNAL_CATCH2=OFF \
               -DENABLE_SIO=ON \
               -DENABLE_JULIA=ON \
+              -DENABLE_RNTUPLE=ON \
               -G Ninja ..
             echo "::endgroup::"
             echo "::group::Build"