diff --git a/Two-phase-Richards/two-patch/TP-R-two-patch-test-case/mesh_studies/TP-R-2-patch-realistic-no-gravity-but-varying-intrinsic-perm.py b/Two-phase-Richards/two-patch/TP-R-two-patch-test-case/mesh_studies/TP-R-2-patch-realistic-no-gravity-but-varying-intrinsic-perm.py
index 280a0fb59b887d6e0efe14922cb8f237d39dbe44..ab8b346a2412e914194f07416afd4c5c345602a2 100755
--- a/Two-phase-Richards/two-patch/TP-R-two-patch-test-case/mesh_studies/TP-R-2-patch-realistic-no-gravity-but-varying-intrinsic-perm.py
+++ b/Two-phase-Richards/two-patch/TP-R-two-patch-test-case/mesh_studies/TP-R-2-patch-realistic-no-gravity-but-varying-intrinsic-perm.py
@@ -335,7 +335,7 @@ if __name__ == '__main__':
             #     parameter=simulation_parameter
             #     )
 
-        # LDDsim.join()
+        LDDsim.join()
         if mesh_study:
             simulation_output_dir = processQueue.get()
             hlp.merge_spacetime_errornorms(isRichards=isRichards,