diff --git a/src/PostgREST/SchemaCache.hs b/src/PostgREST/SchemaCache.hs
index 3e27c13dd..055d02a7c 100644
--- a/src/PostgREST/SchemaCache.hs
+++ b/src/PostgREST/SchemaCache.hs
@@ -456,7 +456,7 @@ funcsSqlQuery pgVer = [q|
     SELECT
       array_agg(row(
         substr(setting, 1, strpos(setting, '=') - 1),
-        lower(substr(setting, strpos(setting, '=') + 1))
+        substr(setting, strpos(setting, '=') + 1)
       )) as kvs
     FROM unnest(proconfig) setting
     WHERE setting not LIKE 'default_transaction_isolation%'
diff --git a/test/io/fixtures.sql b/test/io/fixtures.sql
index 636505664..613d383b6 100644
--- a/test/io/fixtures.sql
+++ b/test/io/fixtures.sql
@@ -205,7 +205,7 @@ $$ language sql;
 
 create or replace function work_mem_test() returns text as $$
   select current_setting('work_mem',false);
-$$ language sql set work_mem = '6000';
+$$ language sql set work_mem = '6000kB';
 
 create or replace function multiple_func_settings_test() returns setof record as $$
   select current_setting('work_mem',false) as work_mem,