diff --git a/conf/common/build.yml b/conf/common/build.yml
index 7149a11cfd7a47db3ca10994d56fbf7ab6c9d0b0..c7878281a4e2080096ba437927c14fb93586ef98 100644
--- a/conf/common/build.yml
+++ b/conf/common/build.yml
@@ -9,7 +9,7 @@ spack:
   root: "%HPCROOTDIR%/spack" # path to a spack install, will be downloaded to if not present
   user_cache_path: "%HPCROOTDIR%/spack_user_cache_path" # spack puts data here when bootstrapping, leave empty to use home folder
   disable_local_config: true # if false, spack install into home folder
-  build_cmd: "icon-nwp@%ICON.VERSION%\%%SPACK.COMPILER% ^openmpi+pmi+legacylaunchers schedulers=slurm fabrics=ucx ucx+dc+dm+ib_hw_tm+mlx5_dv+rc+rdmacm+thread_multiple+ud+verbs ^gettext@0.20.2 "
+  build_cmd: "icon-nwp@%ICON.VERSION% %%SPACK.COMPILER% ^openmpi+pmi+legacylaunchers schedulers=slurm fabrics=ucx ucx+dc+dm+ib_hw_tm+mlx5_dv+rc+rdmacm+thread_multiple+ud+verbs ^gettext@0.20.2 "
 
 python_environment:
   # Name of the virtual environment in the remote platform experiment folder