diff --git a/builders.py b/builders.py
index 5c8d978..0656e8b 100644
--- a/builders.py
+++ b/builders.py
@@ -31,8 +31,8 @@ def get_publish_internal(props, basename=False):
     as a property for use by other workers.
     """
     dest = ""
-    deploy = props.getProperty("deploy_artifacts", "False")
-    if props.getProperty("deploy_artifacts", "False") != "False":
+    deploy = props.getProperty("deploy_artefacts", False)
+    if deploy:
         rel_name = ""
         dest = props.getProperty("publish_destination", "")
         if dest:
@@ -40,7 +40,7 @@ def get_publish_internal(props, basename=False):
                 return os.path.basename(dest)
             return dest
 
-        if props.getProperty("is_release", "False") == "True":
+        if props.getProperty("is_release", False):
             milestone = props.getProperty("milestone_number", "")
             rc_number = props.getProperty("rc_number", "")
             snapshot = ""
@@ -109,9 +109,9 @@ def ensure_props_set(props):
     """
     return {
         "sharedrepolocation": props.getProperty("sharedrepolocation", "None"),
-        "is_release": props.getProperty("is_release", "None"),
+        "is_release": props.getProperty("is_release", False),
         "buildappsrcrev": props.getProperty("buildappsrcrev", "None"),
-        "deploy_artifacts": props.getProperty("deploy_artifacts", "False"),
+        "deploy_artefacts": props.getProperty("deploy_artefacts", False),
         "publish_destination": props.getProperty("publish_destination", "None")
     }
 
@@ -241,7 +241,7 @@ def get_props_set():
         "sharedrepolocation": util.Interpolate("{}/%(prop:buildername)s-%(prop:buildnumber)s".format(config.sharedrepodir)),
         "is_release": util.Property("is_release"),
         "buildappsrcrev": "None",
-        "deploy_artifacts": util.Property("deploy_artifacts"),
+        "deploy_artefacts": util.Property("deploy_artefacts"),
         "publish_destination": util.Property("publish_destination"),
     }
 
diff --git a/schedulers.py b/schedulers.py
index eeb788c..8f3dbc5 100644
--- a/schedulers.py
+++ b/schedulers.py
@@ -60,11 +60,10 @@ def props_for_builder(builder):
             default="None",
         ))
     if builder in ['build-appliance', 'buildtools']:
-        props.append(util.ChoiceStringParameter(
+        props.append(util.BooleanParameter(
             name="deploy_artifacts",
             label="Do we want to deploy artifacts? ",
-            choices=["False", "True"],
-            default="False"
+            default=Boolean
         ))
 
     props = props + repos_for_builder(builder)
@@ -99,11 +98,10 @@ schedulers.append(sched.ForceScheduler(
  any expectations for the build's outcome:""",
         required=False),
     properties=[
-        util.ChoiceStringParameter(
+        util.BooleanParameter(
             name="is_release",
             label="Generate a release?",
-            choices=["False", "True"],
-            default="False"),
+            default=False),
         util.StringParameter(
             name="yocto_number",  # used to form publish path
             label="Yocto Project Release Number (1.5, 1.6 etc.)"),
@@ -119,16 +117,14 @@ schedulers.append(sched.ForceScheduler(
             choices=["", "rc1", "rc2", "rc3", "rc4", "rc5", "rc6", "rc7",
                      "rc8", "rc9"],
             default=""),
-        util.ChoiceStringParameter(
+        util.BooleanParameter(
             name="send_email",
             label="Send QA alert emails?",
-            choices=["False", "True"],
-            default="False"),
-        util.ChoiceStringParameter(
-            name="deploy_artifacts",
-            label="Do we want to deploy artifacts? ",
-            choices=["False", "True"],
-            default="False"),
+            default=False),
+        util.BooleanParameter(
+            name="deploy_artefacts",
+            label="Do we want to save build output? ",
+            default=False),
         ReleaseSelector(
         name="branch",
             label="Release Shortcut Selector",