diff --git a/mhcflurry/select_allele_specific_models_command.py b/mhcflurry/select_allele_specific_models_command.py
index d72b001a16e7d516639e31bc504153545c1d76e4..e374b0502093b57e1a9ed3f7fefe006c08526c2a 100644
--- a/mhcflurry/select_allele_specific_models_command.py
+++ b/mhcflurry/select_allele_specific_models_command.py
@@ -219,8 +219,7 @@ def run(argv=sys.argv[1:]):
         worker_pool = make_worker_pool(
             processes=(
                 args.num_jobs
-                if args.num_jobs else None),
-            max_tasks_per_worker=args.max_tasks_per_worker)
+                if args.num_jobs else None))
 
         random.shuffle(alleles)
         results = worker_pool.imap_unordered(