diff --git a/agent/api/task/task_windows.go b/agent/api/task/task_windows.go
index 25f11fc1e38..f55ab29ed07 100644
--- a/agent/api/task/task_windows.go
+++ b/agent/api/task/task_windows.go
@@ -278,7 +278,7 @@ func (task *Task) BuildCNIConfig(includeIPAMConfig bool, cniConfig *ecscni.Confi
 
 		// IfName is expected by the plugin but is not used.
 		cniConfig.NetworkConfigs = append(cniConfig.NetworkConfigs, &ecscni.NetworkConfig{
-			IfName:           eni.ID,
+			IfName:           ecscni.DefaultENIName,
 			CNINetworkConfig: netconf,
 		})
 	}
diff --git a/agent/ecscni/types_windows.go b/agent/ecscni/types_windows.go
index 249c5b9ad19..69312c5a922 100644
--- a/agent/ecscni/types_windows.go
+++ b/agent/ecscni/types_windows.go
@@ -35,6 +35,8 @@ const (
 	// NetworkName has to be non-empty field for network config.
 	// We do not actually make use of the field, hence passing in a placeholder string to fulfill the API spec
 	defaultNetworkName = "network-name"
+	// DefaultENIName is the name of eni interface name in the container namespace
+	DefaultENIName = "eth0"
 )
 
 var (