diff --git a/lib/trento/application/projectors/host_projector.ex b/lib/trento/application/projectors/host_projector.ex
index 0104ed5c24..5bb1ec3b8a 100644
--- a/lib/trento/application/projectors/host_projector.ex
+++ b/lib/trento/application/projectors/host_projector.ex
@@ -275,6 +275,16 @@ defmodule Trento.HostProjector do
     end
   end
 
+  def after_update(
+        %HostRemovedFromCluster{host_id: host_id},
+        _,
+        %{host: %Trento.HostReadModel{cluster_id: nil}}
+      ) do
+    TrentoWeb.Endpoint.broadcast("monitoring:hosts", "host_details_updated", %{
+      id: host_id
+    })
+  end
+
   def after_update(
         %HostDetailsUpdated{},
         _,
diff --git a/test/trento/application/projectors/host_projector_test.exs b/test/trento/application/projectors/host_projector_test.exs
index b5cd403776..8dca4b0720 100644
--- a/test/trento/application/projectors/host_projector_test.exs
+++ b/test/trento/application/projectors/host_projector_test.exs
@@ -148,8 +148,12 @@ defmodule Trento.HostProjectorTest do
     }
 
     ProjectorTestHelper.project(HostProjector, event, "host_projector")
-    projection = Repo.get!(HostReadModel, host_id)
 
+    assert_broadcast "host_details_updated",
+                     %{id: ^host_id},
+                     1000
+
+    projection = Repo.get!(HostReadModel, host_id)
     assert nil == projection.cluster_id
   end
 
@@ -169,8 +173,12 @@ defmodule Trento.HostProjectorTest do
     }
 
     ProjectorTestHelper.project(HostProjector, event, "host_projector")
-    projection = Repo.get!(HostReadModel, host_id)
 
+    refute_broadcast "host_details_updated",
+                     %{id: ^host_id},
+                     1000
+
+    projection = Repo.get!(HostReadModel, host_id)
     assert cluster_id == projection.cluster_id
   end