diff --git a/beaker-notebooks/sis_cscl.bkr b/beaker-notebooks/sis_cscl.bkr
index 5a62698c37b3e1164964b0dc383cf2031663a5b2..4d3cea646e39b70261b2ad95432a65ba5520c0af 100644
--- a/beaker-notebooks/sis_cscl.bkr
+++ b/beaker-notebooks/sis_cscl.bkr
@@ -823,15 +823,14 @@
                     "import string",
                     "import os",
                     "",
-                    "random_name = ''.join(random.SystemRandom().choice(string.ascii_uppercase + string.digits) for _ in range(20))",
-                    "try:",
-                    "    IP = os.environ['OPENMPIHOST']   ",
-                    "except:",
-                    "    IP = '130.183.207.77'",
+                    "random_name = 'AA_'+''.join(random.SystemRandom().choice(string.ascii_uppercase + string.digits) for _ in range(20))",
                     "try:",
+                    "    IP = os.environ['OPENMPIHOST']  ",
                     "    PORT = int(os.environ['OPENMPIPORT'])",
                     "except:",
+                    "    IP = '130.183.207.77'",
                     "    PORT = 9672",
+                    "",
                     "    ",
                     "#rsa key for mpi container",
                     "key_file = '/home/beaker/key.mpi'",
@@ -887,7 +886,7 @@
                 "height": 287
             },
             "evaluatorReader": true,
-            "lineCount": 56,
+            "lineCount": 55,
             "tags": "calc_cell"
         },
         {