diff --git a/PBot/DualIndexHashObject.pm b/PBot/DualIndexHashObject.pm
index 8b868f7d..4e8130a9 100644
--- a/PBot/DualIndexHashObject.pm
+++ b/PBot/DualIndexHashObject.pm
@@ -363,4 +363,7 @@ sub remove {
     else                                                                                           { return "$self->{name}: [$name1] $name2.$data_index does not exist."; }
 }
 
+# for compatibility with SQLite object
+sub create_metadata { }
+
 1;