diff --git a/tripleo_common/actions/derive_params.py b/tripleo_common/actions/derive_params.py
index 71541fb94..082bea1ac 100644
--- a/tripleo_common/actions/derive_params.py
+++ b/tripleo_common/actions/derive_params.py
@@ -253,7 +253,7 @@ class GetHostCpusListAction(base.TripleOAction):
             numa_nodes_threads[cpu['numa_node']].extend(
                 cpu['thread_siblings'])
 
-        for numa_node in numa_nodes_threads.keys():
+        for numa_node in sorted(numa_nodes_threads.keys()):
             node = int(numa_node)
             # Gets least thread in NUMA node
             numa_node_min = min(numa_nodes_threads[numa_node])