diff --git a/openpype/tools/settings/local_settings/projects_widget.py b/openpype/tools/settings/local_settings/projects_widget.py
index 30a0d212f0..2b8c56e38c 100644
--- a/openpype/tools/settings/local_settings/projects_widget.py
+++ b/openpype/tools/settings/local_settings/projects_widget.py
@@ -248,6 +248,9 @@ class SitesWidget(QtWidgets.QWidget):
         main_layout.addWidget(comboboxes_widget, 0)
         main_layout.addWidget(content_widget, 1)
 
+        active_site_widget.value_changed.connect(self.refresh)
+        remote_site_widget.value_changed.connect(self.refresh)
+
         self.active_site_widget = active_site_widget
         self.remote_site_widget = remote_site_widget
 
@@ -268,25 +271,29 @@ class SitesWidget(QtWidgets.QWidget):
             self.modules_manager.modules_by_name["sync_server"]
         )
 
-        # This is temporary modification
-        # - whole logic here should be in sync module's providers
-        site_names = sync_server_module.get_active_sites_from_settings(
-            self.project_settings["project_settings"].value
-        )
+        site_configs = sync_server_module.get_all_site_configs(
+            self._project_name)
 
         roots_entity = (
             self.project_settings[PROJECT_ANATOMY_KEY][LOCAL_ROOTS_KEY]
         )
-
+        site_names = [self.active_site_widget.current_text(),
+                      self.remote_site_widget.current_text()]
         output = []
         for site_name in site_names:
+            if not site_name:
+                continue
+
             site_inputs = []
-            for root_name, path_entity in roots_entity.items():
-                platform_entity = path_entity[platform.system().lower()]
+            site_config = site_configs[site_name]
+            for root_name, path_entity in site_config.get("root", {}).items():
+                if not path_entity:
+                    continue
+                platform_value = path_entity[platform.system().lower()]
                 site_inputs.append({
                     "label": root_name,
                     "key": root_name,
-                    "value": platform_entity.value
+                    "value": platform_value
                 })
 
             output.append(
@@ -436,6 +443,7 @@ class SitesWidget(QtWidgets.QWidget):
 
 class _SiteCombobox(QtWidgets.QWidget):
     input_label = None
+    value_changed = QtCore.Signal()
 
     def __init__(self, modules_manager, project_settings, parent):
         super(_SiteCombobox, self).__init__(parent)
@@ -661,6 +669,7 @@ class _SiteCombobox(QtWidgets.QWidget):
 
         self._set_local_settings_value(self.current_text())
         self._update_style()
+        self.value_changed.emit()
 
     def _set_local_settings_value(self, value):
         raise NotImplementedError(