diff --git a/python/vyos/qos/base.py b/python/vyos/qos/base.py
index 66df5d1075..b477b5b5ea 100644
--- a/python/vyos/qos/base.py
+++ b/python/vyos/qos/base.py
@@ -89,7 +89,8 @@ def _get_dsfield(self, value):
         if value in self._dsfields:
             return self._dsfields[value]
         else:
-            return value
+            # left shift operation aligns the DSCP/TOS value with its bit position in the IP header.
+            return int(value) << 2
 
     def _calc_random_detect_queue_params(self, avg_pkt, max_thr, limit=None, min_thr=None,
                                          mark_probability=None, precedence=0):