diff --git a/modules/routes/routeSystem.py b/modules/routes/routeSystem.py
index 7c3e17a3..6638caec 100644
--- a/modules/routes/routeSystem.py
+++ b/modules/routes/routeSystem.py
@@ -672,6 +672,20 @@ def _buildIntegrationsOverviewPayload(userId: str, user=None) -> Dict[str, Any]:
         logger.error(f"integrations-overview connections: {e}")
         out["errors"].append(f"connections: {e}")
 
+    # --- instance label lookup (shared by DataSource & Trustee blocks) ---
+    _instLabelCache: Dict[str, str] = {}
+    def _getInstanceLabel(iid: str) -> str:
+        if iid in _instLabelCache:
+            return _instLabelCache[iid]
+        try:
+            _fi = getFeatureInterface(root.db)
+            inst = _fi.getFeatureInstance(iid)
+            lbl = getattr(inst, "label", None) or getattr(inst, "uiLabel", None) or ""
+            _instLabelCache[iid] = lbl
+        except Exception:
+            _instLabelCache[iid] = ""
+        return _instLabelCache[iid]
+
     # --- DataSource & FeatureDataSource ---
     try:
         from modules.datamodels.datamodelDataSource import DataSource
@@ -720,6 +734,7 @@ def _buildIntegrationsOverviewPayload(userId: str, user=None) -> Dict[str, Any]:
             if not rid or rid in seen_fds:
                 continue
             seen_fds.add(rid)
+            fds_iid = row.get("featureInstanceId") or ""
             out["dataLayerItems"].append(
                 {
                     "kind": "featureDataSource",
@@ -727,8 +742,9 @@ def _buildIntegrationsOverviewPayload(userId: str, user=None) -> Dict[str, Any]:
                     "label": row.get("label") or rid,
                     "featureCode": row.get("featureCode") or "",
                     "tableName": row.get("tableName") or "",
-                    "featureInstanceId": row.get("featureInstanceId"),
+                    "featureInstanceId": fds_iid,
                     "mandateId": row.get("mandateId"),
+                    "instanceLabel": _getInstanceLabel(fds_iid) if fds_iid else "",
                 }
             )
 
@@ -745,8 +761,9 @@ def _buildIntegrationsOverviewPayload(userId: str, user=None) -> Dict[str, Any]:
                         "label": row.get("label") or rid,
                         "featureCode": row.get("featureCode") or "",
                         "tableName": row.get("tableName") or "",
-                        "featureInstanceId": row.get("featureInstanceId"),
+                        "featureInstanceId": iid,
                         "mandateId": row.get("mandateId"),
+                        "instanceLabel": _getInstanceLabel(iid),
                     }
                 )
     except Exception as e: