diff --git a/Gonito/ExtractMetadata.hs b/Gonito/ExtractMetadata.hs
index 61ad06b..e542000 100644
--- a/Gonito/ExtractMetadata.hs
+++ b/Gonito/ExtractMetadata.hs
@@ -22,7 +22,7 @@ import System.Exit
 import System.Process
 
 import qualified Data.Set as S
-import qualified Data.HashMap.Strict as H
+import qualified Data.Map.Strict as M
 
 import Handler.Shared (gitPath)
 
@@ -31,7 +31,7 @@ import "Glob" System.FilePath.Glob as G
 data ExtractionOptions = ExtractionOptions {
   extractionOptionsDescription :: Maybe Text,
   extractionOptionsTags :: Maybe Text,
-  extractionOptionsGeneralParams :: Maybe (H.HashMap Text Text),
+  extractionOptionsGeneralParams :: Maybe (M.Map Text Text),
   extractionOptionsUnwantedParams :: Maybe [Text],
   extractionOptionsParamFiles :: Maybe [String],
   extractionOptionsMLRunPath :: Maybe FilePath
@@ -59,7 +59,7 @@ instance Default ExtractionOptions where
 data GonitoMetadata = GonitoMetadata {
   gonitoMetadataDescription :: Text,
   gonitoMetadataTags :: S.Set Text,
-  gonitoMetadataGeneralParams :: H.HashMap Text Text
+  gonitoMetadataGeneralParams :: M.Map Text Text
   }
   deriving (Eq, Show)
 
@@ -75,9 +75,9 @@ combineExtractionOptions Nothing options = options
 combineExtractionOptions (Just otherOptions) options = ExtractionOptions {
   extractionOptionsDescription = combineWithT extractionOptionsDescription,
   extractionOptionsTags = combineWithT extractionOptionsTags,
-  extractionOptionsGeneralParams = Just $ (fromMaybe H.empty $ extractionOptionsGeneralParams options)
-                                          `H.union`
-                                          (fromMaybe H.empty $ extractionOptionsGeneralParams otherOptions),
+  extractionOptionsGeneralParams = Just $ (fromMaybe M.empty $ extractionOptionsGeneralParams options)
+                                          `M.union`
+                                          (fromMaybe M.empty $ extractionOptionsGeneralParams otherOptions),
   extractionOptionsUnwantedParams = Just $ (fromMaybe [] $ extractionOptionsUnwantedParams options)
                                            ++
                                            (fromMaybe [] $ extractionOptionsUnwantedParams otherOptions),
@@ -112,17 +112,16 @@ extractMetadataFromRepoDir repoDir formExtractionOptions = do
   let tagsParsed = union commitTagsParsed formTagsParsed
 
   paramFiles <- case extractionOptionsParamFiles extractionOptions of
-    Just paramFilesGlobs -> G.globDir (Import.map G.compile $ traceShowId paramFilesGlobs) repoDir
+    Just paramFilesGlobs -> G.globDir (Import.map G.compile paramFilesGlobs) repoDir
     Nothing -> pure []
 
-  params' <- H.unions <$> (mapM parseParamFile
-                         $ traceShowId
+  params' <- M.unions <$> (mapM parseParamFile
                          $ Import.filter (/= (repoDir </> gonitoYamlFile))
                          $ Import.concat paramFiles)
   let params =
-        Import.foldl' (flip H.delete) params' (fromMaybe [] $ extractionOptionsUnwantedParams extractionOptions)
-        `H.union`
-        fromMaybe H.empty (extractionOptionsGeneralParams extractionOptions)
+        Import.foldl' (flip M.delete) params' (fromMaybe [] $ extractionOptionsUnwantedParams extractionOptions)
+        `M.union`
+        fromMaybe M.empty (extractionOptionsGeneralParams extractionOptions)
 
   pure $ GonitoMetadata {
     gonitoMetadataDescription = description,
@@ -131,18 +130,18 @@ extractMetadataFromRepoDir repoDir formExtractionOptions = do
   }
 
 
-parseParamFile :: FilePath -> IO (H.HashMap Text Text)
+parseParamFile :: FilePath -> IO (M.Map Text Text)
 parseParamFile yamlFile = do
   decoded <- Y.decodeFileEither yamlFile
 
   return $ case decoded of
-    Left _ -> H.empty
+    Left _ -> M.empty
     Right h -> enforceTextHash h
 
-enforceTextHash :: H.HashMap Text Value -> H.HashMap Text Text
-enforceTextHash h = H.fromList
+enforceTextHash :: M.Map Text Value -> M.Map Text Text
+enforceTextHash h = M.fromList
                     $ Import.map (\(p, pv) -> (p, strip $ DTE.decodeUtf8 $ Y.encode pv))
-                    $ H.toList h
+                    $ M.toList h
 
 getLastCommitMessage :: FilePath -> IO (Maybe Text)
 getLastCommitMessage repoDir = do
diff --git a/Handler/ShowChallenge.hs b/Handler/ShowChallenge.hs
index 061e044..ec3bb4a 100644
--- a/Handler/ShowChallenge.hs
+++ b/Handler/ShowChallenge.hs
@@ -333,7 +333,7 @@ outsForTest repoDir submissionId testEnt@(Entity _ test) = do
   outFiles <- liftIO $ outFilesForTest repoDir test
 
   forM outFiles $ \outFile -> do
-    theVariant <- getVariant submissionId outFile
+    theVariant <- getVariant submissionId M.empty outFile
     outForTest repoDir outFile theVariant testEnt
 
 -- returns the filename (not file path)
@@ -348,8 +348,8 @@ outFilesForTest repoDir test = do
           Just outF -> return [takeFileName outF]
           Nothing -> return []
 
-getVariant :: SubmissionId -> FilePath -> Handler VariantId
-getVariant submissionId outFilePath = runDB $ do
+getVariant :: SubmissionId -> M.Map Text Text -> FilePath -> Handler VariantId
+getVariant submissionId generalParams outFilePath = runDB $ do
   let outFile = takeFileName outFilePath
   let name = Data.Text.pack $ dropExtensions outFile
   maybeVariant <- getBy $ UniqueVariantSubmissionName submissionId name
@@ -358,9 +358,11 @@ getVariant submissionId outFilePath = runDB $ do
     Nothing -> do
       vid <- insert $ Variant submissionId name
       let (OutputFileParsed _ paramMap) = parseParamsFromFilePath outFile
-      forM_ (M.toList paramMap) $ \(param, val) -> do
+
+      forM_ (M.toList (paramMap `M.union` generalParams)) $ \(param, val) -> do
         _ <- insert $ Parameter vid param val
         return ()
+
       return vid
 
 checkOrInsertOut :: Out -> Handler ()
diff --git a/test/Gonito/ExtractMetadataSpec.hs b/test/Gonito/ExtractMetadataSpec.hs
index 635a7c1..51f2c48 100644
--- a/test/Gonito/ExtractMetadataSpec.hs
+++ b/test/Gonito/ExtractMetadataSpec.hs
@@ -5,7 +5,7 @@ module Gonito.ExtractMetadataSpec (spec) where
 import Import
 
 import qualified Data.Set as S
-import qualified Data.HashMap.Strict as H
+import qualified Data.Map.Strict as M
 
 import Test.Hspec
 import Gonito.ExtractMetadata (extractMetadataFromRepoDir, GonitoMetadata(..), ExtractionOptions(..))
@@ -17,7 +17,7 @@ spec = do
       extractMetadataFromRepoDir "test/fake-git-repos/simple/" def `shouldReturn` GonitoMetadata {
         gonitoMetadataDescription = "Simple solution",
         gonitoMetadataTags = S.fromList ["foo", "simple-solution", "baz"],
-        gonitoMetadataGeneralParams = H.empty
+        gonitoMetadataGeneralParams = M.empty
         }
     it "simple with some fields from the form" $ do
       extractMetadataFromRepoDir "test/fake-git-repos/simple/" def {
@@ -26,13 +26,13 @@ spec = do
         } `shouldReturn` GonitoMetadata {
         gonitoMetadataDescription = "Other solution",
         gonitoMetadataTags = S.fromList ["foo", "simple-solution", "baz", "other-tag"],
-        gonitoMetadataGeneralParams = H.empty
+        gonitoMetadataGeneralParams = M.empty
         }
     it "with gonito.yaml" $ do
       extractMetadataFromRepoDir "test/fake-git-repos/with-gonito-yaml/" def `shouldReturn` GonitoMetadata {
         gonitoMetadataDescription = "Test solution",
         gonitoMetadataTags = S.fromList ["zzz", "baz", "simple", "machine-learning"],
-        gonitoMetadataGeneralParams = H.fromList [("level", "4"),
+        gonitoMetadataGeneralParams = M.fromList [("level", "4"),
                                                   ("altitude", "8900.3"),
                                                   ("q", "10.4"),
                                                   ("style", "bold")]
diff --git a/test/fake-git-repos/with-gonito-yaml b/test/fake-git-repos/with-gonito-yaml
index e54aa93..a71de45 160000
--- a/test/fake-git-repos/with-gonito-yaml
+++ b/test/fake-git-repos/with-gonito-yaml
@@ -1 +1 @@
-Subproject commit e54aa938430ccf03383d84a435183aa8d8f64a8b
+Subproject commit a71de45eacb63081b2b39db09c48ad3d848c2541