diff --git a/src/sonic-config-engine/minigraph.py b/src/sonic-config-engine/minigraph.py
index 850c9967e7..8461aad1fe 100644
--- a/src/sonic-config-engine/minigraph.py
+++ b/src/sonic-config-engine/minigraph.py
@@ -448,7 +448,7 @@ def parse_spine_chassis_fe(results, vni, lo_intfs, phyport_intfs, pc_intfs, pc_m
             break        
 
     results['VXLAN_TUNNEL'] = {chassis_vxlan_tunnel: {
-        'source_ip': lo_addr
+        'src_ip': lo_addr
     }}
 
     # Vnet information
diff --git a/src/sonic-config-engine/tests/test_cfggen_t2_chassis_fe.py b/src/sonic-config-engine/tests/test_cfggen_t2_chassis_fe.py
index b43559e5c4..f6de921211 100644
--- a/src/sonic-config-engine/tests/test_cfggen_t2_chassis_fe.py
+++ b/src/sonic-config-engine/tests/test_cfggen_t2_chassis_fe.py
@@ -69,4 +69,4 @@ class TestCfgGenT2ChassisFe(TestCase):
     def test_minigraph_t2_chassis_fe_vxlan(self):
         argument = '-m "' + self.sample_graph_t2_chassis_fe + '" -p "' + self.t2_chassis_fe_port_config + '" -v "VXLAN_TUNNEL"'
         output = self.run_script(argument)
-        self.assertEqual(output.strip(), "{'TunnelInt': {'source_ip': '4.0.0.0'}}")
+        self.assertEqual(output.strip(), "{'TunnelInt': {'src_ip': '4.0.0.0'}}")