diff --git a/qemu/scripts/qapi.py b/qemu/scripts/qapi.py
index 9860f998..1c526a1b 100644
--- a/qemu/scripts/qapi.py
+++ b/qemu/scripts/qapi.py
@@ -960,6 +960,4 @@ def camel_to_upper(value):
     return new_name.lstrip('_').upper()
 
 def c_enum_const(type_name, const_name):
-    abbrev_string = camel_to_upper(type_name)
-    value_string = camel_to_upper(const_name)
-    return "%s_%s" % (abbrev_string, value_string)
+    return camel_to_upper(type_name + '_' + const_name)