diff --git a/scripts/solve_network.py b/scripts/solve_network.py
index 795c3327..85251caa 100644
--- a/scripts/solve_network.py
+++ b/scripts/solve_network.py
@@ -272,6 +272,7 @@ def solve_network(n, config=None, solver_log=None, opts=None):
                                                solver_name=solver_name,
                                                solver_logfile=solver_log,
                                                solver_options=solver_options,
+                                               solver_dir=tmpdir, 
                                                extra_functionality=extra_functionality,
                                                formulation=solve_opts['formulation'])
                                                #extra_postprocessing=extra_postprocessing