diff --git a/spec/multisite/distributed_cache_spec.rb b/spec/multisite/distributed_cache_spec.rb
index 0fed72dee8d..f269c748352 100644
--- a/spec/multisite/distributed_cache_spec.rb
+++ b/spec/multisite/distributed_cache_spec.rb
@@ -8,7 +8,7 @@ RSpec.describe "Multisite SiteSettings", type: :multisite do
   context "without namespace" do
     let(:cache1) { cache("test", namespace: false) }
 
-    it "does not leak state across multisite" do
+    it "does share a global state between multisite" do
       cache1["default"] = true
 
       expect(cache1.hash).to eq("default" => true)
@@ -23,9 +23,35 @@ RSpec.describe "Multisite SiteSettings", type: :multisite do
         expect(message.data[:op]).to eq(:set)
         expect(message.data[:key]).to eq("second")
         expect(message.data[:value]).to eq(true)
+        expect(cache1.hash).to eq("default" => true, "second" => true)
       end
 
       expect(cache1.hash).to eq("default" => true, "second" => true)
     end
   end
+
+  context "with namespace" do
+    let(:cache1) { cache("test", namespace: true) }
+
+    it "does not share a state between multisite" do
+      cache1["default"] = true
+
+      expect(cache1.hash).to eq("default" => true)
+
+      test_multisite_connection("second") do
+        message =
+          MessageBus
+            .track_publish(DistributedCache::Manager::CHANNEL_NAME) { cache1["second"] = true }
+            .first
+
+        expect(message.data[:hash_key]).to eq("test")
+        expect(message.data[:op]).to eq(:set)
+        expect(message.data[:key]).to eq("second")
+        expect(message.data[:value]).to eq(true)
+        expect(cache1.hash).to eq("second" => true)
+      end
+
+      expect(cache1.hash).to eq("default" => true)
+    end
+  end
 end