diff --git a/sysdig/internal/client/v2/model.go b/sysdig/internal/client/v2/model.go
index b483285e..fb796aee 100644
--- a/sysdig/internal/client/v2/model.go
+++ b/sysdig/internal/client/v2/model.go
@@ -773,6 +773,7 @@ type AlertV2ConfigMetric struct {
 	GroupAggregation string                  `json:"groupAggregation"`
 	TimeAggregation  string                  `json:"timeAggregation"`
 	Metric           AlertMetricDescriptorV2 `json:"metric"`
+	MetricID         string                  `json:"metricId,omitempty"` // Legacy API field, used as fallback when Metric.ID is empty
 	NoDataBehaviour  string                  `json:"noDataBehaviour"`
 
 	Range    int `json:"range"`
diff --git a/sysdig/resource_sysdig_monitor_alert_v2_metric.go b/sysdig/resource_sysdig_monitor_alert_v2_metric.go
index 593d8bee..b60ffdc5 100644
--- a/sysdig/resource_sysdig_monitor_alert_v2_metric.go
+++ b/sysdig/resource_sysdig_monitor_alert_v2_metric.go
@@ -59,8 +59,9 @@ func resourceSysdigMonitorAlertV2Metric() *schema.Resource {
 				Default:  "",
 			},
 			"metric": {
-				Type:     schema.TypeString,
-				Required: true,
+				Type:         schema.TypeString,
+				Required:     true,
+				ValidateFunc: validation.StringIsNotEmpty,
 			},
 			"time_aggregation": {
 				Type:         schema.TypeString,
@@ -274,7 +275,11 @@ func updateAlertV2MetricState(d *schema.ResourceData, alert *v2.AlertV2Metric) e
 
 	_ = d.Set("group_aggregation", alert.Config.GroupAggregation)
 
-	_ = d.Set("metric", alert.Config.Metric.ID)
+	metricID := alert.Config.Metric.ID
+	if metricID == "" {
+		metricID = alert.Config.MetricID
+	}
+	_ = d.Set("metric", metricID)
 
 	_ = d.Set("no_data_behaviour", alert.Config.NoDataBehaviour)
 
diff --git a/sysdig/resource_sysdig_monitor_alert_v2_metric_test.go b/sysdig/resource_sysdig_monitor_alert_v2_metric_test.go
index 575b0d23..6bd87384 100644
--- a/sysdig/resource_sysdig_monitor_alert_v2_metric_test.go
+++ b/sysdig/resource_sysdig_monitor_alert_v2_metric_test.go
@@ -4,6 +4,7 @@ package sysdig_test
 
 import (
 	"fmt"
+	"regexp"
 	"testing"
 
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/acctest"
@@ -108,6 +109,39 @@ func TestAccAlertV2Metric(t *testing.T) {
 	})
 }
 
+func TestAccAlertV2MetricRejectsEmptyMetric(t *testing.T) {
+	rText := func() string { return acctest.RandStringFromCharSet(10, acctest.CharSetAlphaNum) }
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck: preCheckAnyEnv(t, SysdigMonitorApiTokenEnv, SysdigIBMMonitorAPIKeyEnv),
+		ProviderFactories: map[string]func() (*schema.Provider, error){
+			"sysdig": func() (*schema.Provider, error) {
+				return sysdig.Provider(), nil
+			},
+		},
+		Steps: []resource.TestStep{
+			{
+				Config:      alertV2MetricWithEmptyMetric(rText()),
+				ExpectError: regexp.MustCompile(`expected "metric" to not be an empty string`),
+			},
+		},
+	})
+}
+
+func alertV2MetricWithEmptyMetric(name string) string {
+	return fmt.Sprintf(`
+resource "sysdig_monitor_alert_v2_metric" "sample" {
+	name               = "TERRAFORM TEST - METRICV2 %s"
+	metric             = ""
+	group_aggregation  = "avg"
+	time_aggregation   = "avg"
+	operator           = ">="
+	threshold          = 50
+	range_seconds      = 600
+}
+`, name)
+}
+
 func alertV2Metric(name string) string {
 	return fmt.Sprintf(`
 resource "sysdig_monitor_alert_v2_metric" "sample" {