diff --git a/src/storage/exec/ScanNode.h b/src/storage/exec/ScanNode.h
index 3778eb87804..5af7912f758 100644
--- a/src/storage/exec/ScanNode.h
+++ b/src/storage/exec/ScanNode.h
@@ -43,7 +43,7 @@ class ScanVertexPropNode : public QueryNode<Cursor> {
     }
 
     std::string start;
-    std::string prefix = NebulaKeyUtils::vertexPrefix(partId);
+    std::string prefix = NebulaKeyUtils::tagPrefix(partId);
     if (cursor.empty()) {
       start = prefix;
     } else {