diff --git a/common/jack/types.h b/common/jack/types.h
index 347692fe..fd71ceac 100644
--- a/common/jack/types.h
+++ b/common/jack/types.h
@@ -422,9 +422,9 @@ enum JackStatus {
     JackVersionError = 0x400,
     
     /**
-     * Client process failure
+     * Backend error
      */
-    JackClientProcessFailure = 0x800,
+    JackBackendError = 0x800,
     
     /**
      * Client zombified failure
diff --git a/macosx/coreaudio/JackCoreAudioDriver.cpp b/macosx/coreaudio/JackCoreAudioDriver.cpp
index a5eaa5d5..c62429ec 100644
--- a/macosx/coreaudio/JackCoreAudioDriver.cpp
+++ b/macosx/coreaudio/JackCoreAudioDriver.cpp
@@ -289,7 +289,7 @@ OSStatus JackCoreAudioDriver::DeviceNotificationCallback(AudioDeviceID inDevice,
         
         case kAudioDevicePropertyStreamConfiguration: {
             jack_error("Cannot handle kAudioDevicePropertyStreamConfiguration : server will quit...");
-            driver->NotifyFailure(JackClientProcessFailure, "Another application has changed the device configuration.");   // Message length limited to JACK_MESSAGE_SIZE
+            driver->NotifyFailure(JackBackendError, "Another application has changed the device configuration.");   // Message length limited to JACK_MESSAGE_SIZE
             driver->CloseAUHAL();
             kill(JackTools::GetPID(), SIGINT);
             return kAudioHardwareUnsupportedOperationError;
@@ -297,7 +297,7 @@ OSStatus JackCoreAudioDriver::DeviceNotificationCallback(AudioDeviceID inDevice,
         
         case kAudioDevicePropertyNominalSampleRate: {
             jack_error("Cannot handle kAudioDevicePropertyNominalSampleRate : server will quit...");
-            driver->NotifyFailure(JackClientProcessFailure, "Another application has changed the sample rate.");    // Message length limited to JACK_MESSAGE_SIZE
+            driver->NotifyFailure(JackBackendError, "Another application has changed the sample rate.");    // Message length limited to JACK_MESSAGE_SIZE
             driver->CloseAUHAL();
             kill(JackTools::GetPID(), SIGINT);
             return kAudioHardwareUnsupportedOperationError;