diff --git a/src/tr/js2model/templates_cpp/base.mako b/src/tr/js2model/templates_cpp/base.mako
index d6f7d27..79162e5 100644
--- a/src/tr/js2model/templates_cpp/base.mako
+++ b/src/tr/js2model/templates_cpp/base.mako
@@ -33,7 +33,7 @@ def firstupper(value):
 
 def inst_name(value):
 ##    return 'm' + value[0].upper() + value[1:]
-    return normalize_prop_name(value)
+    return firstlower(normalize_prop_name(value))
 %>
 <%
 def normalize_class_name(value):