diff --git a/spec/support/matchers/json/match_json_schema.rb b/spec/support/matchers/json/match_json_schema.rb
index 3a275199efd..b4ced8addbd 100644
--- a/spec/support/matchers/json/match_json_schema.rb
+++ b/spec/support/matchers/json/match_json_schema.rb
@@ -6,3 +6,14 @@ RSpec::Matchers.define :match_json_schema do |schema|
     JSON::Validator.validate(schema_path, input_json, validate_schema: true)
   end
 end
+
+RSpec::Matchers.define :match_json_values do |values|
+  match do |string|
+    expect(json_str_to_hash(string))
+      .to include(values)
+  end
+
+  failure_message do |value|
+    "expected that #{value} would have the same values as #{values}."
+  end
+end
diff --git a/spec/workers/activitypub/distribute_poll_update_worker_spec.rb b/spec/workers/activitypub/distribute_poll_update_worker_spec.rb
index afe2b291fd0..4427cfdf959 100644
--- a/spec/workers/activitypub/distribute_poll_update_worker_spec.rb
+++ b/spec/workers/activitypub/distribute_poll_update_worker_spec.rb
@@ -16,7 +16,7 @@ describe ActivityPub::DistributePollUpdateWorker do
     end
 
     it 'delivers to followers' do
-      expect_push_bulk_to_match(ActivityPub::DeliveryWorker, [[kind_of(String), account.id, 'http://example.com']]) do
+      expect_push_bulk_to_match(ActivityPub::DeliveryWorker, [[match_json_values(type: 'Update'), account.id, 'http://example.com']]) do
         subject.perform(status.id)
       end
     end
diff --git a/spec/workers/activitypub/distribution_worker_spec.rb b/spec/workers/activitypub/distribution_worker_spec.rb
index 2706967fcae..0eb6227859d 100644
--- a/spec/workers/activitypub/distribution_worker_spec.rb
+++ b/spec/workers/activitypub/distribution_worker_spec.rb
@@ -19,7 +19,7 @@ describe ActivityPub::DistributionWorker do
       end
 
       it 'delivers to followers' do
-        expect_push_bulk_to_match(ActivityPub::DeliveryWorker, [[kind_of(String), status.account.id, 'http://example.com', anything]]) do
+        expect_push_bulk_to_match(ActivityPub::DeliveryWorker, [[match_json_values(type: 'Create'), status.account.id, 'http://example.com', anything]]) do
           subject.perform(status.id)
         end
       end
@@ -31,7 +31,7 @@ describe ActivityPub::DistributionWorker do
       end
 
       it 'delivers to followers' do
-        expect_push_bulk_to_match(ActivityPub::DeliveryWorker, [[kind_of(String), status.account.id, 'http://example.com', anything]]) do
+        expect_push_bulk_to_match(ActivityPub::DeliveryWorker, [[match_json_values(type: 'Create'), status.account.id, 'http://example.com', anything]]) do
           subject.perform(status.id)
         end
       end
@@ -46,7 +46,7 @@ describe ActivityPub::DistributionWorker do
       end
 
       it 'delivers to mentioned accounts' do
-        expect_push_bulk_to_match(ActivityPub::DeliveryWorker, [[kind_of(String), status.account.id, 'https://foo.bar/inbox', anything]]) do
+        expect_push_bulk_to_match(ActivityPub::DeliveryWorker, [[match_json_values(type: 'Create'), status.account.id, 'https://foo.bar/inbox', anything]]) do
           subject.perform(status.id)
         end
       end
diff --git a/spec/workers/activitypub/move_distribution_worker_spec.rb b/spec/workers/activitypub/move_distribution_worker_spec.rb
index 75ca21733ce..c810b33c23a 100644
--- a/spec/workers/activitypub/move_distribution_worker_spec.rb
+++ b/spec/workers/activitypub/move_distribution_worker_spec.rb
@@ -16,12 +16,16 @@ describe ActivityPub::MoveDistributionWorker do
     end
 
     it 'delivers to followers and known blockers' do
-      expect_push_bulk_to_match(ActivityPub::DeliveryWorker, [
-                                  [kind_of(String), migration.account.id, 'http://example.com'],
-                                  [kind_of(String), migration.account.id, 'http://example2.com'],
-                                ]) do
+      expect_push_bulk_to_match(ActivityPub::DeliveryWorker, expected_migration_deliveries) do
         subject.perform(migration.id)
       end
     end
+
+    def expected_migration_deliveries
+      [
+        [match_json_values(type: 'Move'), migration.account.id, 'http://example.com'],
+        [match_json_values(type: 'Move'), migration.account.id, 'http://example2.com'],
+      ]
+    end
   end
 end
diff --git a/spec/workers/activitypub/status_update_distribution_worker_spec.rb b/spec/workers/activitypub/status_update_distribution_worker_spec.rb
index a4fd246e534..66e52c4f288 100644
--- a/spec/workers/activitypub/status_update_distribution_worker_spec.rb
+++ b/spec/workers/activitypub/status_update_distribution_worker_spec.rb
@@ -25,7 +25,7 @@ describe ActivityPub::StatusUpdateDistributionWorker do
       end
 
       it 'delivers to followers' do
-        expect_push_bulk_to_match(ActivityPub::DeliveryWorker, [[kind_of(String), status.account.id, 'http://example.com', anything]]) do
+        expect_push_bulk_to_match(ActivityPub::DeliveryWorker, [[match_json_values(type: 'Update'), status.account.id, 'http://example.com', anything]]) do
           subject.perform(status.id)
         end
       end
@@ -37,7 +37,7 @@ describe ActivityPub::StatusUpdateDistributionWorker do
       end
 
       it 'delivers to followers' do
-        expect_push_bulk_to_match(ActivityPub::DeliveryWorker, [[kind_of(String), status.account.id, 'http://example.com', anything]]) do
+        expect_push_bulk_to_match(ActivityPub::DeliveryWorker, [[match_json_values(type: 'Update'), status.account.id, 'http://example.com', anything]]) do
           subject.perform(status.id)
         end
       end
diff --git a/spec/workers/activitypub/update_distribution_worker_spec.rb b/spec/workers/activitypub/update_distribution_worker_spec.rb
index 4a0ed050bb7..b183a58dfd0 100644
--- a/spec/workers/activitypub/update_distribution_worker_spec.rb
+++ b/spec/workers/activitypub/update_distribution_worker_spec.rb
@@ -14,7 +14,7 @@ describe ActivityPub::UpdateDistributionWorker do
     end
 
     it 'delivers to followers' do
-      expect_push_bulk_to_match(ActivityPub::DeliveryWorker, [[kind_of(String), account.id, 'http://example.com', anything]]) do
+      expect_push_bulk_to_match(ActivityPub::DeliveryWorker, [[match_json_values(type: 'Update'), account.id, 'http://example.com', anything]]) do
         subject.perform(account.id)
       end
     end