diff --git a/scripts/filter_fdb_entries.py b/scripts/filter_fdb_entries.py
index d7f93d3e1e..31d4204ec9 100755
--- a/scripts/filter_fdb_entries.py
+++ b/scripts/filter_fdb_entries.py
@@ -31,6 +31,8 @@ def get_vlan_cidr_map(filename):
     vlan_cidr = defaultdict()
     if "VLAN_INTERFACE" in config_db_entries.keys() and "VLAN" in config_db_entries.keys():
         for vlan_key in config_db_entries["VLAN_INTERFACE"].keys():
+            if '|' not in vlan_key:
+                continue
             vlan, cidr = tuple(vlan_key.split('|'))
             if vlan in config_db_entries["VLAN"]:
                 vlan_cidr[vlan] = ip_interface(cidr).network
diff --git a/sonic-utilities-tests/filter_fdb_input/test_vectors.py b/sonic-utilities-tests/filter_fdb_input/test_vectors.py
index cd1592a0a4..2321da47af 100644
--- a/sonic-utilities-tests/filter_fdb_input/test_vectors.py
+++ b/sonic-utilities-tests/filter_fdb_input/test_vectors.py
@@ -198,6 +198,7 @@
                 "Vlan1000": {}
             },
             "VLAN_INTERFACE": {
+                "Vlan1000": {}, 
                 "Vlan1000|192.168.128.1/21": {}
             }, 
         },