diff --git a/fm-rest-api/fm/fm/api/controllers/v1/alarm.py b/fm-rest-api/fm/fm/api/controllers/v1/alarm.py
index 5c59c9ae..2d90552f 100644
--- a/fm-rest-api/fm/fm/api/controllers/v1/alarm.py
+++ b/fm-rest-api/fm/fm/api/controllers/v1/alarm.py
@@ -78,10 +78,10 @@ class Alarm(base.APIBase):
     proposed_repair_action = wtypes.text
     "The action to clear the alarm"
 
-    service_affecting = wtypes.text
+    service_affecting = bool
     "Whether the alarm affects the service"
 
-    suppression = wtypes.text
+    suppression = bool
     "'allowed' or 'not-allowed'"
 
     suppression_status = wtypes.text
@@ -114,8 +114,8 @@ class Alarm(base.APIBase):
             mgmt_affecting = rpc_ialarm.mgmt_affecting
             degrade_affecting = rpc_ialarm.degrade_affecting
 
-        alarms['service_affecting'] = str(alarms['service_affecting'])
-        alarms['suppression'] = str(alarms['suppression'])
+        alarms['service_affecting'] = alarms['service_affecting']
+        alarms['suppression'] = alarms['suppression']
 
         alm = Alarm(**alarms.as_dict())
         if not expand:
diff --git a/fm-rest-api/fm/fm/api/controllers/v1/event_log.py b/fm-rest-api/fm/fm/api/controllers/v1/event_log.py
index d39a1e23..ae78e195 100644
--- a/fm-rest-api/fm/fm/api/controllers/v1/event_log.py
+++ b/fm-rest-api/fm/fm/api/controllers/v1/event_log.py
@@ -79,10 +79,10 @@ class EventLog(base.APIBase):
     proposed_repair_action = wtypes.text
     "The action to clear the alarm"
 
-    service_affecting = wtypes.text
+    service_affecting = bool
     "Whether the log affects the service"
 
-    suppression = wtypes.text
+    suppression = bool
     "'allowed' or 'not-allowed'"
 
     suppression_status = wtypes.text
@@ -107,8 +107,8 @@ class EventLog(base.APIBase):
             ievent_log = rpc_event_log
             suppress_status = rpc_event_log.suppression_status
 
-        ievent_log['service_affecting'] = str(ievent_log['service_affecting'])
-        ievent_log['suppression'] = str(ievent_log['suppression'])
+        ievent_log['service_affecting'] = ievent_log['service_affecting']
+        ievent_log['suppression'] = ievent_log['suppression']
 
         ilog = EventLog(**ievent_log.as_dict())
         if not expand:
diff --git a/fm-rest-api/fm/fm/objects/alarm.py b/fm-rest-api/fm/fm/objects/alarm.py
index 1229c497..26e7731d 100755
--- a/fm-rest-api/fm/fm/objects/alarm.py
+++ b/fm-rest-api/fm/fm/objects/alarm.py
@@ -31,10 +31,10 @@ class Alarm(base.FmObject):
         'alarm_type': utils.str_or_none,
         'probable_cause': utils.str_or_none,
         'proposed_repair_action': utils.str_or_none,
-        'service_affecting': utils.str_or_none,
-        'suppression': utils.str_or_none,
-        'inhibit_alarms': utils.str_or_none,
-        'masked': utils.str_or_none,
+        'service_affecting': utils.bool_or_none,
+        'suppression': utils.bool_or_none,
+        'inhibit_alarms': utils.bool_or_none,
+        'masked': utils.bool_or_none,
         'suppression_status': utils.str_or_none,
         'mgmt_affecting': utils.str_or_none,
         'degrade_affecting': utils.str_or_none,
diff --git a/fm-rest-api/fm/fm/objects/event_log.py b/fm-rest-api/fm/fm/objects/event_log.py
index 2964cab9..ef550883 100644
--- a/fm-rest-api/fm/fm/objects/event_log.py
+++ b/fm-rest-api/fm/fm/objects/event_log.py
@@ -33,8 +33,8 @@ class EventLog(base.FmObject):
         'event_log_type': utils.str_or_none,
         'probable_cause': utils.str_or_none,
         'proposed_repair_action': utils.str_or_none,
-        'service_affecting': utils.str_or_none,
-        'suppression': utils.str_or_none,
+        'service_affecting': utils.bool_or_none,
+        'suppression': utils.bool_or_none,
         'suppression_status': utils.str_or_none,
     }
 
diff --git a/fm-rest-api/fm/fm/objects/utils.py b/fm-rest-api/fm/fm/objects/utils.py
index 459381a4..daf4ca0d 100644
--- a/fm-rest-api/fm/fm/objects/utils.py
+++ b/fm-rest-api/fm/fm/objects/utils.py
@@ -50,6 +50,16 @@ def datetime_or_str_or_none(val):
     return datetime_or_none(val)
 
 
+def bool_or_none(val):
+    """Attempt to parse an boolean value, or None."""
+    if val is None:
+        return False
+    elif isinstance(val, six.string_types):
+        return bool(val.lower() in ['y', 'n', 'yes', 'no', 'true', 'false'])
+    else:
+        return bool(int(val) != 0)
+
+
 def int_or_none(val):
     """Attempt to parse an integer value, or None."""
     if val is None: