diff --git a/EcAlarm.h b/EcAlarm.h
index 6785fbe..847ddc6 100644
--- a/EcAlarm.h
+++ b/EcAlarm.h
@@ -142,7 +142,7 @@ typedef enum {
  *   <desc>Category: Equipment</desc>
  *   <term>EcAlarmOutOfMemory</term>
  *   <desc>Category: Processing</desc>
- *   <term>EcAlarmOuputDeviceError</term>
+ *   <term>EcAlarmOutputDeviceError</term>
  *   <desc>Category: Equipment</desc>
  *   <term>EcAlarmPerformanceDegraded</term>
  *   <desc>Category: QoS</desc>
@@ -227,7 +227,7 @@ typedef enum {
   EcAlarmMaterialSupplyExhausted = 30,			// Environmental
   EcAlarmMultiplexerProblem = 31,			// Equipment
   EcAlarmOutOfMemory = 32,				// Processing
-  EcAlarmOuputDeviceError = 33,				// Equipment
+  EcAlarmOutputDeviceError = 33,			// Equipment
   EcAlarmPerformanceDegraded = 34,			// QoS
   EcAlarmPowerProblem = 35,				// Equipment
   EcAlarmPressureUnacceptable = 36,			// Environmental
diff --git a/EcAlarm.m b/EcAlarm.m
index 51fd45b..4b00797 100644
--- a/EcAlarm.m
+++ b/EcAlarm.m
@@ -179,7 +179,7 @@ EcMakeManagedObject(NSString *host, NSString *process, NSString *component)
       case EcAlarmInputDeviceError:
       case EcAlarmInputOutputDeviceError:
       case EcAlarmMultiplexerProblem:
-      case EcAlarmOuputDeviceError:
+      case EcAlarmOutputDeviceError:
       case EcAlarmPowerProblem:
       case EcAlarmProcessorProblem:
       case EcAlarmReceiveFailure:
@@ -305,8 +305,8 @@ EcMakeManagedObject(NSString *host, NSString *process, NSString *component)
 	return @"multiplexerProblem";
       case EcAlarmOutOfMemory:
 	return @"outOfMemory";
-      case EcAlarmOuputDeviceError:
-	return @"ouputDeviceError";
+      case EcAlarmOutputDeviceError:
+	return @"outputDeviceError";
       case EcAlarmPerformanceDegraded:
 	return @"performanceDegraded";
       case EcAlarmPowerProblem: