diff --git a/scripts/prepare_sector_network.py b/scripts/prepare_sector_network.py
index 07d5d766c..6344250fb 100755
--- a/scripts/prepare_sector_network.py
+++ b/scripts/prepare_sector_network.py
@@ -4612,13 +4612,10 @@ def add_enhanced_geothermal(n, egs_potentials, egs_overlap, costs):
     if "snakemake" not in globals():
         from _helpers import mock_snakemake
 
-        import os
-        os.chdir(os.path.dirname(os.path.realpath(__file__)))
-
         snakemake = mock_snakemake(
             "prepare_sector_network",
             opts="",
-            clusters="6",
+            clusters="38",
             ll="vopt",
             sector_opts="",
             planning_horizons="2030",