diff --git a/extra/mongodb/tuple/collection/collection.factor b/extra/mongodb/tuple/collection/collection.factor
index 1bd2d94e69..60b2d25764 100644
--- a/extra/mongodb/tuple/collection/collection.factor
+++ b/extra/mongodb/tuple/collection/collection.factor
@@ -92,6 +92,8 @@ GENERIC: mdb-index-map ( tuple -- sequence )
       [ ] [ name>> ] bi  H{ } clone [ set-at ] keep
     ] [ 2drop H{ } clone ] if ;
 
+
+
 PRIVATE>
 
 : MDB_ADDON_SLOTS ( -- slots )
@@ -116,7 +118,7 @@ PRIVATE>
     [ drop MDB_USER_KEY set-word-prop ] [ 3drop ] if ; inline
 
 : set-index-map ( class index-list -- )
-    [ [ dup user-defined-key-index ] dip index-list>map  ] output>sequence
+    [ dup user-defined-key-index ] dip index-list>map 2array
     assoc-combine MDB_INDEX_MAP set-word-prop ; inline
 
 M: tuple-class tuple-collection ( tuple -- mdb-collection )
diff --git a/extra/mongodb/tuple/tuple.factor b/extra/mongodb/tuple/tuple.factor
index e5e4867d71..8f7504d9bc 100644
--- a/extra/mongodb/tuple/tuple.factor
+++ b/extra/mongodb/tuple/tuple.factor
@@ -69,7 +69,7 @@ PRIVATE>
 : insert-tuple ( tuple -- )
    [ tuple-collection name>> ]
    [ tuple>assoc ] bi
-   <mdb-insert-msg> save ;
+   save ;
 
 : delete-tuple ( tuple -- )
    [ tuple-collection name>> ] keep