diff --git a/binarycpython/utils/grid_options_defaults.py b/binarycpython/utils/grid_options_defaults.py
index a39f5bda30ffee0ae5e0d742e174ba2044e86b65..21894574e551d3aea4e860b3ff87d1528041150a 100644
--- a/binarycpython/utils/grid_options_defaults.py
+++ b/binarycpython/utils/grid_options_defaults.py
@@ -331,6 +331,11 @@ class grid_options_defaults():
             'slurm_bash' : "String. Points the location of the \"bash\" command, e.g. /bin/bash, that is used in Slurm scripts. This is set automatically on the submit machine, so if it is different on the nodes, you should set it manually.",
             'slurm_pwd' : "String. Points the location of the \"pwd\" command, e.g. /bin/pwd, that is used in Slurm scripts. This is set automatically on the submit machine, so if it is different on the nodes, you should set it manually.",
             'slurm_date' : "String. Points the location of the \"date\" command, e.g. /usr/bin/date, that is used in Slurm scripts. This is set automatically on the submit machine, so if it is different on the nodes, you should set it manually.",
+            ############################################################
+            # High power computing (HPC) variables
+            ############################################################
+            "HPC_force_join" : "Integer, default 0. If 1, and the HPC variable (\"slurm\" or \"condor\") is 3, skip checking our own job and force the join.",
+            "HPC_rebuild_joinlist": "Integer, default 0. If 1, ignore the joinlist we would usually use and rebuild it automatically",
 
             ############################################################
             "weight": "Weight factor for each system. The calculated probability is multiplied by this. If the user wants each system to be repeated several times, then this variable should not be changed, rather change the _repeat variable instead, as that handles the reduction in probability per system. This is useful for systems that have a process with some random element in it.",  # TODO: add more info here, regarding the evolution splitting.