diff --git a/include/qapi/error.h b/include/qapi/error.h
index 4d42cdc..3060b0c 100644
--- a/include/qapi/error.h
+++ b/include/qapi/error.h
@@ -91,6 +91,20 @@
 typedef struct Error Error;
 
 /*
+ * Overall category of an error.
+ * Based on the qapi type QapiErrorClass, but reproduced here for nicer
+ * enum names.
+ */
+typedef enum ErrorClass {
+    ERROR_CLASS_GENERIC_ERROR = QAPI_ERROR_CLASS_GENERIC_ERROR,
+    ERROR_CLASS_COMMAND_NOT_FOUND = QAPI_ERROR_CLASS_COMMAND_NOT_FOUND,
+    ERROR_CLASS_DEVICE_ENCRYPTED = QAPI_ERROR_CLASS_DEVICE_ENCRYPTED,
+    ERROR_CLASS_DEVICE_NOT_ACTIVE = QAPI_ERROR_CLASS_DEVICE_NOT_ACTIVE,
+    ERROR_CLASS_DEVICE_NOT_FOUND = QAPI_ERROR_CLASS_DEVICE_NOT_FOUND,
+    ERROR_CLASS_KVM_MISSING_CAP = QAPI_ERROR_CLASS_KVM_MISSING_CAP,
+} ErrorClass;
+
+/*
  * Get @err's human-readable error message.
  */
 const char *error_get_pretty(Error *err);
diff --git a/monitor.c b/monitor.c
index 5546f8a..289c118 100644
--- a/monitor.c
+++ b/monitor.c
@@ -403,7 +403,7 @@
     QObject *obj;
 
     obj = qobject_from_jsonf("{ 'error': { 'class': %s, 'desc': %s } }",
-                             ErrorClass_lookup[error_get_class(err)],
+                             QapiErrorClass_lookup[error_get_class(err)],
                              error_get_pretty(err));
 
     return qobject_to_qdict(obj);
diff --git a/qapi/common.json b/qapi/common.json
index bad56bf..6fb40e7 100644
--- a/qapi/common.json
+++ b/qapi/common.json
@@ -3,7 +3,7 @@
 # QAPI common definitions
 
 ##
-# @ErrorClass
+# @QapiErrorClass
 #
 # QEMU error classes
 #
@@ -24,7 +24,8 @@
 #
 # Since: 1.2
 ##
-{ 'enum': 'ErrorClass',
+{ 'enum': 'QapiErrorClass',
+  # Keep this in sync with ErrorClass in error.h
   'data': [ 'GenericError', 'CommandNotFound', 'DeviceEncrypted',
             'DeviceNotActive', 'DeviceNotFound', 'KVMMissingCap' ] }
 
diff --git a/qapi/qmp-dispatch.c b/qapi/qmp-dispatch.c
index 7bcc860..f36933d 100644
--- a/qapi/qmp-dispatch.c
+++ b/qapi/qmp-dispatch.c
@@ -114,7 +114,7 @@
 QObject *qmp_build_error_object(Error *err)
 {
     return qobject_from_jsonf("{ 'class': %s, 'desc': %s }",
-                              ErrorClass_lookup[error_get_class(err)],
+                              QapiErrorClass_lookup[error_get_class(err)],
                               error_get_pretty(err));
 }