diff --git a/Biblio/78/77193.xml b/Biblio/78/77193.xml
index 2afdacde2bbf..371d15b8d3d1 100644
--- a/Biblio/78/77193.xml
+++ b/Biblio/78/77193.xml
@@ -24,6 +24,7 @@
    <relatedItem type="mentions" n="1">
       <bibl>
          <idno type="invNo">P. Lips. Inv. FF3</idno>
+         <idno type="ddb">sb;30;17584</idno>
       </bibl>
    </relatedItem>
    <idno type="pi">77193</idno>