diff --git a/env/merlin/spack.yaml b/env/merlin/spack.yaml
index 98fd9a3..03bf6aa 100644
--- a/env/merlin/spack.yaml
+++ b/env/merlin/spack.yaml
@@ -26,7 +26,7 @@ spack:
         - gsl%gcc
         - intel-oneapi-mpi%oneapi
         - kokkos%gcc
-        - libint%oneapi tune=cp2k-lmax-6
+        - libint%oneapi tune=cp2k-lmax-6 ^gmp%oneapi
         - libxc%oneapi
         - libxsmm%oneapi
         - mpich%gcc netmod=ucx