diff --git a/src/ruleset.rnc b/src/ruleset.rnc
index 957ae04bc9b615990178578b900d6168f516811f..8bd8defeaf52d121223131e80b50e5f3241e8ad7 100644
--- a/src/ruleset.rnc
+++ b/src/ruleset.rnc
@@ -41,7 +41,7 @@ StructTypeDef =
    element DocStrctType {
       attribute anchor { "true" }?
     & Name
-    & NameTranslation
+    & NameTranslation*
     & AllowedChildStruct*
     & AllowedMetadata*
    }