2 files changed, 11 insertions, 17 deletions

diff --git a/README.md b/README.md
index e74bcd1..82ac774 100644
--- a/README.md
+++ b/README.md
@@ -9,5 +9,5 @@ Tests are generated from the [official test suite](https://github.com/w3c/json-l
 | Feature    | Tests | Pass | Status |
 | ---------- | ----- | ---- | ------ |
 | Expansion  | 371   | 371  | 100%   |
-| Compaction | ?     | 0    | 0%     |
+| Compaction | 55    | 54   | 98%    |
 | Flattening | ?     | 0    | 0%     |
diff --git a/src/Data/JLD/Flattening/NodeMap.hs b/src/Data/JLD/Flattening/NodeMap.hs
index 6c35302..2e6b8e3 100644
--- a/src/Data/JLD/Flattening/NodeMap.hs
+++ b/src/Data/JLD/Flattening/NodeMap.hs
@@ -185,9 +185,9 @@ buildNodeMap' element = case element of
                     if
                             -- 6.5.
                             | Just referenceNode <- bnmEnvReferenceNode -> bnmModifyNodeMap \nodeMap ->
-                                if N.memberArray bnmEnvActiveGraph bnmEnvActiveSubject bnmEnvActiveProperty (Object referenceNode) nodeMap
+                                if N.memberArray bnmEnvActiveGraph (Just id') bnmEnvActiveProperty (Object referenceNode) nodeMap
                                     then nodeMap
-                                    else N.modifyArray bnmEnvActiveGraph bnmEnvActiveSubject bnmEnvActiveProperty (`V.snoc` Object referenceNode) nodeMap
+                                    else N.modifyArray bnmEnvActiveGraph (Just id') bnmEnvActiveProperty (`V.snoc` Object referenceNode) nodeMap
                             -- 6.6.
                             | isJust bnmEnvActiveProperty -> do
                                 -- 6.6.1.
@@ -223,25 +223,19 @@ buildNodeMap' element = case element of
                     case KM.lookup (show KeywordIndex) elementObject' of
                         Just indexValue
                             | N.hasKey3 bnmEnvActiveGraph (Just id') (Just <| show KeywordIndex) nodeMap' -> throwError <| Left ConflictingIndexes
-                            | otherwise -> bnmModifyNodeMap <| N.insert bnmEnvActiveGraph (Just id') (Just <| show KeywordType) indexValue
+                            | otherwise -> bnmModifyNodeMap <| N.insert bnmEnvActiveGraph (Just id') (Just <| show KeywordIndex) indexValue
                         --
                         Nothing -> pure ()
 
                     -- 6.9.
                     case KM.lookup (show KeywordReverse) elementObject' of
-                        Just (Object reverseMap) -> do
-                            -- 6.9.1.
-                            let referenced = KM.singleton (show KeywordId) (String id')
-
-                            -- 6.9.3.
-                            iforM_ reverseMap \key ->
-                                valueToArray .> mapM_ \value -> do
-                                    void <| bnmBuildNodeMap value \params ->
-                                        params
-                                            { bnmParamsReferenceNode = Just referenced
-                                            , bnmParamsActiveProperty = Just <| K.toText key
-                                            }
-                                    pure ()
+                        Just (Object reverseMap) -> iforM_ reverseMap \key ->
+                            valueToArray .> mapM_ \value ->
+                                void <| bnmBuildNodeMap value \params ->
+                                    params
+                                        { bnmParamsReferenceNode = Just <| KM.singleton (show KeywordId) (String id')
+                                        , bnmParamsActiveProperty = Just <| K.toText key
+                                        }
                         --
                         _ -> pure ()