diff --git a/maestrowf/abstracts/interfaces/scriptadapter.py b/maestrowf/abstracts/interfaces/scriptadapter.py
index 7bfff7c4f..85b01a686 100644
--- a/maestrowf/abstracts/interfaces/scriptadapter.py
+++ b/maestrowf/abstracts/interfaces/scriptadapter.py
@@ -147,7 +147,7 @@ def submit(self, step, path, cwd, job_map=None, env=None):
     @abstractmethod
     def key(self):
         """
-        The key to be used in workflow specification to describe the adapter.
+        Return the key name for a ScriptAdapter..
 
         This is used to register the adapter in the ScriptAdapterFactory
         and when writing the workflow specification.
diff --git a/maestrowf/interfaces/script/fluxscriptadapter.py b/maestrowf/interfaces/script/fluxscriptadapter.py
index cb3ab9b55..dd860a69a 100644
--- a/maestrowf/interfaces/script/fluxscriptadapter.py
+++ b/maestrowf/interfaces/script/fluxscriptadapter.py
@@ -501,7 +501,7 @@ def __init__(self, **kwargs):
 
         :param **kwargs: A dictionary with default settings for the adapter.
         """
-        super(FluxScriptAdapter, self).__init__()
+        super(FluxScriptAdapter, self).__init__(**kwargs)
 
         # NOTE: These libraries are compiled at runtime when an allocation
         # is spun up.
@@ -513,7 +513,6 @@ def __init__(self, **kwargs):
         self.add_batch_parameter("nodes", kwargs.pop("nodes", "1"))
         self._addl_args = kwargs.get("args", [])
 
-        self._exec = "#!/bin/bash"
         # Header is only for informational purposes.
         self._header = {
             "nodes": "#INFO (nodes) {nodes}",
diff --git a/maestrowf/interfaces/script/localscriptadapter.py b/maestrowf/interfaces/script/localscriptadapter.py
index d80da6fa3..b55722c43 100644
--- a/maestrowf/interfaces/script/localscriptadapter.py
+++ b/maestrowf/interfaces/script/localscriptadapter.py
@@ -56,9 +56,8 @@ def __init__(self, **kwargs):
 
         :param **kwargs: A dictionary with default settings for the adapter.
         """
-        super(LocalScriptAdapter, self).__init__()
-
-        self._exec = kwargs.pop("shell", "/bin/bash")
+        LOGGER.debug("kwargs\n--------------------------\n%s", kwargs)
+        super(LocalScriptAdapter, self).__init__(**kwargs)
 
     def _write_script(self, ws_path, step):
         """
diff --git a/maestrowf/maestro.py b/maestrowf/maestro.py
index 74c6ba3b2..c9f349811 100644
--- a/maestrowf/maestro.py
+++ b/maestrowf/maestro.py
@@ -245,14 +245,11 @@ def run_study(args):
         # If performing a dry run, drive sleep time down to generate scripts.
         sleeptime = 1
     else:
-        # else, use args to decide sleeptime
-        sleeptime = args.sleeptime
-
-    batch = {"type": "local"}
-    if spec.batch:
-        batch = spec.batch
-        if "type" not in batch:
-            batch["type"] = "local"
+        if "type" not in spec.batch:
+            spec.batch["type"] = "local"
+
+        exec_dag.set_adapter(spec.batch)
+
     # Copy the spec to the output directory
     shutil.copy(args.specification, study.output_path)
 
diff --git a/samples/lulesh/lulesh_sample1_macosx.yaml b/samples/lulesh/lulesh_sample1_macosx.yaml
index 4c30dc12c..4dfa9612e 100644
--- a/samples/lulesh/lulesh_sample1_macosx.yaml
+++ b/samples/lulesh/lulesh_sample1_macosx.yaml
@@ -22,6 +22,9 @@ env:
           url: https://github.com/LLNL/LULESH.git
           tag: 2.0.3
 
+batch:
+    shell: /bin/bash
+
 study:
     - name: make-lulesh
       description: Build the serial version of LULESH.