diff --git a/graphql/rcos/meetings/edit/host_selection.graphql b/graphql/rcos/meetings/edit/host_selection.graphql
index 79129d37..e0127ac4 100644
--- a/graphql/rcos/meetings/edit/host_selection.graphql
+++ b/graphql/rcos/meetings/edit/host_selection.graphql
@@ -30,7 +30,13 @@ query EditHostSelection($meeting_id: Int!) {
             mentors: small_groups(order_by: [{title: asc}]) {
                 title
 
-                small_group_mentors(order_by: [{user: {first_name: asc}}, {user: {last_name: asc}}]) {
+                # Adding an extra order-by argument here causes hasura to error
+                # internally.
+                #
+                # See
+                # - https://github.com/rcos/Telescope/issues/141
+                # - https://github.com/hasura/graphql-engine/issues/3796
+                small_group_mentors(order_by: [{user: {first_name: asc}}]) {
                     user { ... HostInfo }
                 }
             }