diff --git a/cfg/cppcheck-cfg.rng b/cfg/cppcheck-cfg.rng
index 89c44bffb..1d6f4c46f 100644
--- a/cfg/cppcheck-cfg.rng
+++ b/cfg/cppcheck-cfg.rng
@@ -154,7 +154,7 @@
                   <element name="not-uninit"><empty/></element>
                   <element name="valid">
                     <data type="string">
-                      <param name="pattern">(-?[0-9]*:-?[0-9]*,)*([-]?[0-9]+[,])*([-]?[0-9]+)?:([-]?[0-9]+)?</param>
+                      <param name="pattern">(-?[0-9]*[,:])*([-]?[0-9]+)?</param>
                     </data>
                   </element>
                   <element name="minsize">