diff --git a/exports/energy_systems/heat_pump_export.py b/exports/energy_systems/heat_pump_export.py
index a7e9e1df..17495835 100644
--- a/exports/energy_systems/heat_pump_export.py
+++ b/exports/energy_systems/heat_pump_export.py
@@ -56,7 +56,7 @@ class HeatPumpExport:
       insel_file_handler.write(insel_template)
       # Now run insel
       self._delete_existing_output_files()
-      os.system('/usr/local/bin/insel {}'.format(insel_file))
+      os.system('insel {}'.format(insel_file))
       # Writer headers to csv output files generated by insel
       self._write_insel_output_headers()
       # User output