diff --git a/charms/horizon-k8s/lib/charms/horizon_k8s/v0/trusted_dashboard.py b/charms/horizon-k8s/lib/charms/horizon_k8s/v0/trusted_dashboard.py
index c574ff62..49670bbd 100644
--- a/charms/horizon-k8s/lib/charms/horizon_k8s/v0/trusted_dashboard.py
+++ b/charms/horizon-k8s/lib/charms/horizon_k8s/v0/trusted_dashboard.py
@@ -308,7 +308,6 @@ class TrustedDashboardRequirer(Object):
         """Handle relation broken event."""
 
         logger.info("Relation broken, clearing federated providers.")
-        event.relation.data[event.app].clear()
         self.on.dashboard_changed.emit(trusted_dashboard="")
 
     def get_trusted_dashboard(self, relation_id: Optional[int] = None) -> Optional[str]:
diff --git a/charms/horizon-k8s/src/charm.py b/charms/horizon-k8s/src/charm.py
index 2efd7066..e39af4c7 100755
--- a/charms/horizon-k8s/src/charm.py
+++ b/charms/horizon-k8s/src/charm.py
@@ -214,14 +214,8 @@ class HorizonOperatorCharm(sunbeam_charm.OSBaseOperatorAPICharm):
         if not self.model.unit.is_leader():
             return
 
-        fid_providers = event.fid_providers
-        if not fid_providers:
-            logger.debug("No FID providers found, skipping update.")
-            return
-
-        logger.debug(
-            "Setting trusted dashboard provider info: %s", fid_providers
-        )
+        # Set the trusted dashboard URL regardless of whether or not the
+        # requirer sets FID providers.
         self.trusted_dashboard.set_provider_info(
             trusted_dashboard=self._websso_url
         )
@@ -299,6 +293,9 @@ class HorizonOperatorCharm(sunbeam_charm.OSBaseOperatorAPICharm):
         """Configure charm services."""
         super().configure_charm(event)
         if self.bootstrapped():
+            # Handle the case where TLS is enabled/external hostname is changed
+            # and we need to update the trusted dashboard URL in keystone.
+            self._on_trusted_dashboard_providers_changed(event)
             self.status.set(ops.model.ActiveStatus(""))
             if self.model.unit.is_leader():
                 if self.ingress_public.url:
diff --git a/charms/keystone-k8s/src/charm.py b/charms/keystone-k8s/src/charm.py
index 5c3421cc..4d690ea4 100755
--- a/charms/keystone-k8s/src/charm.py
+++ b/charms/keystone-k8s/src/charm.py
@@ -673,8 +673,7 @@ class TrustedDashboardRequiresHandler(sunbeam_rhandlers.RelationHandler):
             )
 
     def _on_trusted_dashboard(self, event):
-        if self.interface.get_trusted_dashboard():
-            self.callback_f(event)
+        self.callback_f(event)
 
     def context(self):
         """Configuration context."""