diff --git a/test/SpecHelper.hs b/test/SpecHelper.hs
index 081fff82f..a63340145 100644
--- a/test/SpecHelper.hs
+++ b/test/SpecHelper.hs
@@ -35,7 +35,7 @@ dbString :: String
 dbString = "postgres://postgrest_test_authenticator@localhost:5432/postgrest_test"
 
 cfg :: String -> Maybe Int -> AppConfig
-cfg conStr = AppConfig conStr 3000 "postgrest_anonymous" "test" (secret "safe") 10
+cfg conStr = AppConfig conStr 3000 "postgrest_test_anonymous" "test" (secret "safe") 10
 
 cfgDefault :: AppConfig
 cfgDefault = cfg dbString Nothing
diff --git a/test/Unit/PgQuerySpec.hx b/test/Unit/PgQuerySpec.hx
index 5842fe1ef..eb7b57fb3 100644
--- a/test/Unit/PgQuerySpec.hx
+++ b/test/Unit/PgQuerySpec.hx
@@ -60,7 +60,7 @@ spec = around dbWithSchema $ do
         quickALQuery c "select * from \"1\".items where id = ?" [snd row]
           `shouldReturn` [[row]]
 
-  let {user = "jdoe"; pass = "secret"; role = "test_default_role"}
+  let {user = "jdoe"; pass = "secret"; role = "postgrest_test_default_role"}
   describe "addUser" $ do
     it "adds a correct user to the right table" $ \conn -> do
       addUser user pass role conn
diff --git a/test/fixtures/privileges.sql b/test/fixtures/privileges.sql
index 86b8e541e..86b7c0c03 100644
--- a/test/fixtures/privileges.sql
+++ b/test/fixtures/privileges.sql
@@ -2,7 +2,7 @@
 GRANT USAGE ON SCHEMA
       postgrest
     , test
-TO postgrest_anonymous;
+TO postgrest_test_anonymous;
 
 -- Schema test objects
 SET search_path = test, pg_catalog;
@@ -32,12 +32,12 @@ GRANT ALL ON TABLE
     , users
     , users_projects
     , users_tasks
-TO postgrest_anonymous;
+TO postgrest_test_anonymous;
 
 GRANT USAGE ON SEQUENCE
       auto_incrementing_pk_id_seq
     , items_id_seq
-TO postgrest_anonymous;
+TO postgrest_test_anonymous;
 
 -- Privileges for non anonymous users
 GRANT USAGE ON SCHEMA test TO postgrest_test_author;
diff --git a/test/fixtures/roles.sql b/test/fixtures/roles.sql
index eaa4bf7ff..94d8a9084 100644
--- a/test/fixtures/roles.sql
+++ b/test/fixtures/roles.sql
@@ -1,7 +1,7 @@
-DROP ROLE IF EXISTS postgrest_test_authenticator, postgrest_anonymous, test_default_role, postgrest_test_author;
+DROP ROLE IF EXISTS postgrest_test_authenticator, postgrest_test_anonymous, postgrest_test_default_role, postgrest_test_author;
 CREATE ROLE postgrest_test_authenticator WITH login;
-CREATE ROLE postgrest_anonymous;
-CREATE ROLE test_default_role;
+CREATE ROLE postgrest_test_anonymous;
+CREATE ROLE postgrest_test_default_role;
 CREATE ROLE postgrest_test_author;
 
-GRANT postgrest_anonymous, test_default_role, postgrest_test_author TO postgrest_test_authenticator;
+GRANT postgrest_test_anonymous, postgrest_test_default_role, postgrest_test_author TO postgrest_test_authenticator;