diff --git a/balsam/platform/app_run/polaris.py b/balsam/platform/app_run/polaris.py
index 317188ec..994c2e45 100644
--- a/balsam/platform/app_run/polaris.py
+++ b/balsam/platform/app_run/polaris.py
@@ -18,6 +18,8 @@ def _build_cmdline(self) -> str:
             self._ranks_per_node,
             "--hosts",
             nid_str,
+            "--cpu-bind",
+            "none",
             # "--map-by",
             # f"ppr:{self._ranks_per_node}:node",
             # "-envlist", env_args,