1 files changed, 5 insertions, 2 deletions

diff --git a/app/graphql/mutations/discussions/toggle_resolve.rb b/app/graphql/mutations/discussions/toggle_resolve.rb
index 41fd22c6b55..4492da74706 100644
--- a/app/graphql/mutations/discussions/toggle_resolve.rb
+++ b/app/graphql/mutations/discussions/toggle_resolve.rb
@@ -8,7 +8,7 @@ module Mutations
       description 'Toggles the resolved state of a discussion'
 
       argument :id,
-                GraphQL::ID_TYPE,
+                Types::GlobalIDType[Discussion],
                 required: true,
                 description: 'The global id of the discussion'
 
@@ -54,7 +54,10 @@ module Mutations
       end
 
       def find_object(id:)
-        GitlabSchema.object_from_id(id, expected_type: ::Discussion)
+        # TODO: remove explicit coercion once compatibility layer has been removed
+        # See: https://gitlab.com/gitlab-org/gitlab/-/issues/257883
+        id = Types::GlobalIDType[Discussion].coerce_isolated_input(id)
+        GitlabSchema.find_by_gid(id)
       end
 
       def resolve!(discussion)