diff --git a/api/graphql/schema.py b/api/graphql/schema.py
index c2b458511..7b9a030f8 100644
--- a/api/graphql/schema.py
+++ b/api/graphql/schema.py
@@ -589,9 +589,9 @@ async def sample(
 
         project_name_map: dict[str, int] = {}
         if project:
-            project_ids = project.all_values()
-            projects = await ptable.get_and_check_access_to_projects_for_ids(
-                user=connection.author, project_ids=project_ids, readonly=True
+            project_names = project.all_values()
+            projects = await ptable.get_and_check_access_to_projects_for_names(
+                user=connection.author, project_names=project_names, readonly=True
             )
             project_name_map = {p.name: p.id for p in projects}
 
@@ -633,9 +633,9 @@ async def sequencing_groups(
         # we list project names, but internally we want project ids
         project_id_map = {}
         if project:
-            project_ids = project.all_values()
-            projects = await ptable.get_and_check_access_to_projects_for_ids(
-                user=connection.author, project_ids=project_ids, readonly=True
+            project_names = project.all_values()
+            projects = await ptable.get_and_check_access_to_projects_for_names(
+                user=connection.author, project_names=project_names, readonly=True
             )
             project_id_map = {p.name: p.id for p in projects}
 
diff --git a/test/test_graphql.py b/test/test_graphql.py
index 2078b1184..294e1ad56 100644
--- a/test/test_graphql.py
+++ b/test/test_graphql.py
@@ -209,7 +209,7 @@ async def test_sg_analyses_query(self):
 
         q = """
 query MyQuery($sg_id: String!, $project: String!) {
-  sequencingGroups(id: {in_: [$sg_id]}) {
+  sequencingGroups(id: {in_: [$sg_id]}, project: {eq: $project}) {
     analyses(project: {eq: $project}) {
       id
       meta