diff --git a/src/Plugin/Validation/Constraint/ValidDynamicReferenceConstraint.php b/src/Plugin/Validation/Constraint/ValidDynamicReferenceConstraint.php
index 0449c6b..a6ce9b2 100644
--- a/src/Plugin/Validation/Constraint/ValidDynamicReferenceConstraint.php
+++ b/src/Plugin/Validation/Constraint/ValidDynamicReferenceConstraint.php
@@ -59,6 +59,13 @@ class ValidDynamicReferenceConstraint extends Constraint {
   public $wrongBundleMessage = 'Referenced entity %label does not belong to one of the supported bundles (%bundles).';
 
   /**
+   * Validate message if no bundle is allowed.
+   *
+   * @var string
+   */
+  public $noBundleAllowed = 'No bundle is allowed for (%type)';
+
+  /**
    * Validation message when the target_id or target_type is empty.
    *
    * @var string
diff --git a/src/Plugin/Validation/Constraint/ValidDynamicReferenceConstraintValidator.php b/src/Plugin/Validation/Constraint/ValidDynamicReferenceConstraintValidator.php
index 66cf329..f8b4b75 100644
--- a/src/Plugin/Validation/Constraint/ValidDynamicReferenceConstraintValidator.php
+++ b/src/Plugin/Validation/Constraint/ValidDynamicReferenceConstraintValidator.php
@@ -153,6 +153,17 @@ class ValidDynamicReferenceConstraintValidator extends ConstraintValidator imple
       if (array_key_exists('target_bundles', $value->getFieldDefinition()->getSetting($target_types[$delta])['handler_settings'])) {
         $valid_bundle = FALSE;
         $target_bundles = $value->getFieldDefinition()->getSetting($target_types[$delta])['handler_settings']['target_bundles'];
+        if ($target_bundles === []) {
+          $this->context->buildViolation($constraint->noBundleAllowed)
+            ->setParameter('%type', $target_types[$delta])
+            ->atPath((string) $delta . '.entity')
+            ->setInvalidValue($entity)
+            ->addViolation();
+          if (isset($target_ids[$delta])) {
+            unset($target_ids[$delta]);
+          }
+          continue;
+        }
         if ($target_bundles === NULL || in_array($entity->bundle(), $target_bundles)) {
           $valid_bundle = TRUE;
         }
diff --git a/tests/src/Kernel/DynamicEntityReferenceFieldTest.php b/tests/src/Kernel/DynamicEntityReferenceFieldTest.php
index 3139629..e728d31 100644
--- a/tests/src/Kernel/DynamicEntityReferenceFieldTest.php
+++ b/tests/src/Kernel/DynamicEntityReferenceFieldTest.php
@@ -168,7 +168,7 @@ class DynamicEntityReferenceFieldTest extends EntityKernelTestBase {
     $entity->{$this->fieldName}->target_id = $referenced_entity->id();
     $violations = $entity->{$this->fieldName}->validate();
     $this->assertEquals($violations->count(), 1, 'Validation throws a violation.');
-    $this->assertEquals($violations[0]->getMessage(), t('Referenced entity %label does not belong to one of the supported bundles (%bundles).', ['%label' => $referenced_entity->label(), '%bundles' => '']));
+    $this->assertEquals($violations[0]->getMessage(), t('No bundle is allowed for (%type)', ['%type' => $this->referencedEntityType]));
 
     // Test with wrong bundle.
     $bundle = EntityTestBundle::create([