diff --git a/pytorch_lightning/plugins/environments/slurm_environment.py b/pytorch_lightning/plugins/environments/slurm_environment.py
index 2d2c59d934..01c76ad053 100644
--- a/pytorch_lightning/plugins/environments/slurm_environment.py
+++ b/pytorch_lightning/plugins/environments/slurm_environment.py
@@ -28,7 +28,7 @@ class SLURMEnvironment(ClusterEnvironment):
         # figure out the root node addr
         slurm_nodelist = os.environ.get("SLURM_NODELIST")
         if slurm_nodelist:
-            root_node = slurm_nodelist.split(" ")[0]
+            root_node = slurm_nodelist.split(" ")[0].split(",")[0]
         else:
             root_node = "127.0.0.1"
 
diff --git a/pytorch_lightning/trainer/connectors/slurm_connector.py b/pytorch_lightning/trainer/connectors/slurm_connector.py
index d53f4dfed4..5932937f6c 100644
--- a/pytorch_lightning/trainer/connectors/slurm_connector.py
+++ b/pytorch_lightning/trainer/connectors/slurm_connector.py
@@ -140,7 +140,7 @@ class SLURMConnector:
         # figure out the root node addr
         root_node = os.environ.get("SLURM_NODELIST")
         if root_node:
-            root_node = root_node.split(" ")[0]
+            root_node = root_node.split(" ")[0].split(",")[0]
         else:
             root_node = "127.0.0.1"