diff --git a/mongodbatlas/fw_resource_mongodbatlas_alert_configuration.go b/mongodbatlas/fw_resource_mongodbatlas_alert_configuration.go
index a35cbe892d..c0961cf253 100644
--- a/mongodbatlas/fw_resource_mongodbatlas_alert_configuration.go
+++ b/mongodbatlas/fw_resource_mongodbatlas_alert_configuration.go
@@ -291,6 +291,10 @@ func (r *AlertConfigurationRS) Schema(ctx context.Context, req resource.SchemaRe
 						},
 						"interval_min": schema.Int64Attribute{
 							Optional: true,
+							Computed: true,
+							PlanModifiers: []planmodifier.Int64{
+								int64planmodifier.UseStateForUnknown(),
+							},
 						},
 						"mobile_number": schema.StringAttribute{
 							Optional: true,
@@ -709,9 +713,6 @@ func newTFNotificationModelList(matlasSlice []matlas.Notification, currStateNoti
 		if !currState.EmailAddress.IsNull() {
 			newState.EmailAddress = conversion.StringNullIfEmpty(value.EmailAddress)
 		}
-		if !currState.IntervalMin.IsNull() {
-			newState.IntervalMin = types.Int64Value(int64(value.IntervalMin))
-		}
 		if !currState.MobileNumber.IsNull() {
 			newState.MobileNumber = conversion.StringNullIfEmpty(value.MobileNumber)
 		}
@@ -728,6 +729,7 @@ func newTFNotificationModelList(matlasSlice []matlas.Notification, currStateNoti
 			newState.Username = conversion.StringNullIfEmpty(value.Username)
 		}
 
+		newState.IntervalMin = types.Int64Value(int64(value.IntervalMin))
 		newState.DelayMin = types.Int64Value(int64(*value.DelayMin))
 		newState.EmailEnabled = types.BoolValue(value.EmailEnabled != nil && *value.EmailEnabled)
 		newState.SMSEnabled = types.BoolValue(value.SMSEnabled != nil && *value.SMSEnabled)
diff --git a/mongodbatlas/fw_resource_mongodbatlas_alert_configuration_test.go b/mongodbatlas/fw_resource_mongodbatlas_alert_configuration_test.go
index 635c77f903..1f90f76a0f 100644
--- a/mongodbatlas/fw_resource_mongodbatlas_alert_configuration_test.go
+++ b/mongodbatlas/fw_resource_mongodbatlas_alert_configuration_test.go
@@ -317,6 +317,39 @@ func TestAccConfigRSAlertConfiguration_importConfigNotifications(t *testing.T) {
 	})
 }
 
+// used for testing notification that does not define interval_min attribute
+func TestAccConfigRSAlertConfiguration_importPagerDuty(t *testing.T) {
+	SkipTestExtCred(t) // Will skip because requires external credentials aka api key
+	var (
+		resourceName = "mongodbatlas_alert_configuration.test"
+		projectID    = os.Getenv("MONGODB_ATLAS_PROJECT_ID")
+		serviceKey   = os.Getenv("PAGER_DUTY_SERVICE_KEY")
+		alert        = &matlas.AlertConfiguration{}
+	)
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:                 func() { testAccPreCheckBasic(t) },
+		ProtoV6ProviderFactories: testAccProviderV6Factories,
+		CheckDestroy:             testAccCheckMongoDBAtlasAlertConfigurationDestroy,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccMongoDBAtlasAlertConfigurationPagerDutyConfig(projectID, serviceKey, true),
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckMongoDBAtlasAlertConfigurationExists(resourceName, alert),
+					resource.TestCheckResourceAttrSet(resourceName, "project_id"),
+				),
+			},
+			{
+				ResourceName:            resourceName,
+				ImportStateIdFunc:       testAccCheckMongoDBAtlasAlertConfigurationImportStateIDFunc(resourceName),
+				ImportState:             true,
+				ImportStateVerify:       true,
+				ImportStateVerifyIgnore: []string{"notification.0.service_key"}, // service key is not returned by api in import operation
+			},
+		},
+	})
+}
+
 func TestAccConfigRSAlertConfiguration_DataDog(t *testing.T) {
 	SkipTestExtCred(t) // Will skip because requires external credentials aka api key
 	SkipTest(t)        // Will force skip if enabled