diff --git a/extraFiles/my_spawner.py b/extraFiles/my_spawner.py
index c70199195e8e37ffd45b9b8e5faf529b3b60f77d..0a2e40778c9d21b648b5388fcff9447c649270ae 100644
--- a/extraFiles/my_spawner.py
+++ b/extraFiles/my_spawner.py
@@ -44,6 +44,12 @@ class MySpawner(KubeSpawner):
                 'values': formdata.get('gputype', [0])
             })
 
+        tolerationsExpression = [{
+            'key': 'nautilus.io/nrp-testing',
+            'operator': 'Exists',
+            'effect': 'NoSchedule',
+            }]
+
         setattr(self, 'extra_pod_config', {
             'affinity': {
                 'nodeAffinity': {
@@ -53,8 +59,10 @@ class MySpawner(KubeSpawner):
                         }],
                     },
                 },
-            }
-            })
+            },
+            'tolerations': tolerationsExpression,
+        })
+     
 
         setattr(self, 'startTimeout', 1200)