diff --git a/cfg/cppcheck-cfg.rng b/cfg/cppcheck-cfg.rng
index 511907896..553ad198d 100644
--- a/cfg/cppcheck-cfg.rng
+++ b/cfg/cppcheck-cfg.rng
@@ -150,7 +150,7 @@
               <optional>
                 <attribute name="type">
                   <data type="string">
-                    <param name="pattern">([a-zA-Z_][a-zA-Z_0-9:]*[ ])*([a-zA-Z_][a-zA-Z_0-9]*::)*([a-zA-Z_][a-zA-Z_0-9]*([ ]?[*&amp; ])*)+</param>
+                    <param name="pattern">(::)?([a-zA-Z_:][a-zA-Z_0-9:]*[ ])*([a-zA-Z_][a-zA-Z_0-9]*::)*([a-zA-Z_][a-zA-Z_0-9]*([ ]?[*&amp; ])*)+</param>
                   </data>
                 </attribute>
               </optional>