diff --git a/app/UniWorX.hs b/app/UniWorX.hs
index 974fb18..12c6dcd 100644
--- a/app/UniWorX.hs
+++ b/app/UniWorX.hs
@@ -48,13 +48,13 @@ share [mkPersist sqlSettings, mkMigrate "migrateAll"] [persistLowerCase|
 testUsers :: [User] -- TODO move to db
 testUsers =
   [ User "Fallback User" "foo@bar.com"
-  , User "Tina Tester" "t@t.tt"
+  , User "Tina Tester" "tester@campus.lmu.de"
   , User "Max Muster" "m@m.mm" ]
 
 runDB :: ReaderT SqlBackend (NoLoggingT (ResourceT IO)) a -> IO a
 runDB action = do
   Just port <- lookupEnv "OAUTH2_DB_PORT" -- >>= \p -> return $ p <|> Just "9444"
-  Just host <- lookupEnv "PGHOST"
+  Just host <- lookupEnv "OAUTH2_PGHOST"
   let connStr = fromString @ConnectionString $ "host=" ++ host ++ " dbname=test_users user=oauth2mock password=0000 port=" ++ port
   runStderrLoggingT $ withPostgresqlPool connStr 10 $ \pool -> liftIO $ flip runSqlPersistMPool pool action
 
diff --git a/mkDB.sh b/mkDB.sh
index 79d4526..855337c 100755
--- a/mkDB.sh
+++ b/mkDB.sh
@@ -19,8 +19,8 @@ psql -h "${pgSockDir}" -p ${OAUTH2_DB_PORT} -f ./schema.sql postgres
 
 printf "Postgres logfile is %s\nPostgres socket directory is %s\n" "${pgLogFile}" "${pgSockDir}"
 
-export PGHOST="${pgSockDir}"
-export PGLOG="${pgLogFile}"
+export OAUTH2_PGHOST="${pgSockDir}"
+export OAUTH2_PGLOG="${pgLogFile}"
 
 zsh