diff --git a/machine_profiles/alcc_spack/batch_preambles/spinup b/machine_profiles/alcc_spack/batch_preambles/spinup
index 6398f1d84ea4912305e72522484bf41b96c157a0..286efccc38249cd7efa6e101193890aa1382ff8e 100644
--- a/machine_profiles/alcc_spack/batch_preambles/spinup
+++ b/machine_profiles/alcc_spack/batch_preambles/spinup
@@ -1,5 +1,6 @@
 #!/bin/bash -l
 #SBATCH --partition=alcc1,epyc
+#SBATCH --exclusive
 #SBATCH -o __runDir__/__spinupJobName__.%j.%N.out
 #SBATCH -D __runDir__
 #SBATCH -J __spinupJobName__