diff --git a/apps/dashboard/web/polaris_web/web/src/apps/dashboard/pages/observe/api_collections/ApiCollections.jsx b/apps/dashboard/web/polaris_web/web/src/apps/dashboard/pages/observe/api_collections/ApiCollections.jsx
index a8d822c2e6..6133d1722e 100644
--- a/apps/dashboard/web/polaris_web/web/src/apps/dashboard/pages/observe/api_collections/ApiCollections.jsx
+++ b/apps/dashboard/web/polaris_web/web/src/apps/dashboard/pages/observe/api_collections/ApiCollections.jsx
@@ -91,8 +91,8 @@ const sortOptions = [
     { label: 'Discovered', value: 'discovered desc', directionLabel: 'Oldest first', sortKey: 'startTs' , columnIndex: 9},
     { label: 'Endpoints', value: 'endpoints asc', directionLabel: 'More', sortKey: 'endpoints', columnIndex: 2 },
     { label: 'Endpoints', value: 'endpoints desc', directionLabel: 'Less', sortKey: 'endpoints' , columnIndex: 2},
-    { label: 'Last traffic seen', value: 'detected asc', directionLabel: 'Recent first', sortKey: 'detected', columnIndex: 8 },
-    { label: 'Last traffic seen', value: 'detected desc', directionLabel: 'Oldest first', sortKey: 'detected' , columnIndex: 8},
+    { label: 'Last traffic seen', value: 'detected asc', directionLabel: 'Recent first', sortKey: 'detectedTimestamp', columnIndex: 8 },
+    { label: 'Last traffic seen', value: 'detected desc', directionLabel: 'Oldest first', sortKey: 'detectedTimestamp' , columnIndex: 8},
   ];