diff --git a/dox/debug/occt.natvis b/dox/debug/occt.natvis
index fad548198d..ff8b5e3743 100644
--- a/dox/debug/occt.natvis
+++ b/dox/debug/occt.natvis
@@ -61,6 +61,9 @@
{mylength}: {mystring,s}
+
+ - mystring,s8
+
{myString.mylength}: {myString.mystring,s}