diff --git a/src/Plugin/facets/processor/CountLimitProcessor.php b/src/Plugin/facets/processor/CountLimitProcessor.php
index 4b72a5e3afa1e56b8f7d16c210609647bf3293fb..30c2c1ee3c3e55a8b03fe5630743affcfe52b56e 100644
--- a/src/Plugin/facets/processor/CountLimitProcessor.php
+++ b/src/Plugin/facets/processor/CountLimitProcessor.php
@@ -76,7 +76,11 @@ class CountLimitProcessor extends ProcessorPluginBase implements BuildProcessorI
    * {@inheritdoc}
    */
   public function validateConfigurationForm(array $form, FormStateInterface $form_state, FacetInterface $facet) {
-    return parent::validateConfigurationForm($form, $form_state, $facet); // TODO: Change the autogenerated stub
+    $values = $form_state->getValues();
+    if (!empty($values['maximum_items']) && !empty($values['minimum_items']) && $values['maximum_items'] <= $values['minimum_items']) {
+      $form_state->setErrorByName('maximum_items', t('If both minimum and maximum item count are specified, the maximum item count should be higher than the minimum item count.'));
+    }
+    return parent::validateConfigurationForm($form, $form_state, $facet);
   }
 
 
diff --git a/tests/src/Unit/Plugin/processor/CountLimitProcessorTest.php b/tests/src/Unit/Plugin/processor/CountLimitProcessorTest.php
index 30c4c6d60f2cc5397fd4d3fbaa2c6e3f4d195547..baf5c1db6f43d01894659340ed8bc7f9ef0bdcdb 100644
--- a/tests/src/Unit/Plugin/processor/CountLimitProcessorTest.php
+++ b/tests/src/Unit/Plugin/processor/CountLimitProcessorTest.php
@@ -137,6 +137,34 @@ class CountLimitProcessorTest extends UnitTestCase {
     $this->assertCount(2, $sorted_results);
   }
 
+  /**
+   * Test maximum values.
+   */
+  public function testMaxValue() {
+    $facet = new Facet([], 'facet');
+    $facet->setResults($this->original_results);
+    $facet->setOption('processors', [
+      'count_limit' => [],
+    ]);
+
+    $this->processor->setConfiguration(['maximum_items' => 14]);
+    $sorted_results = $this->processor->build($facet, $this->original_results);
+    $this->assertCount(2, $sorted_results);
+    $this->assertEquals('llama', $sorted_results[0]->getDisplayValue());
+    $this->assertEquals('badger', $sorted_results[1]->getDisplayValue());
+
+    $this->processor->setConfiguration(['maximum_items' => 140]);
+    $sorted_results = $this->processor->build($facet, $this->original_results);
+    $this->assertCount(3, $sorted_results);
+    $this->assertEquals('llama', $sorted_results[0]->getDisplayValue());
+    $this->assertEquals('badger', $sorted_results[1]->getDisplayValue());
+    $this->assertEquals('duck', $sorted_results[2]->getDisplayValue());
+
+    $this->processor->setConfiguration(['maximum_items' => 1]);
+    $sorted_results = $this->processor->build($facet, $this->original_results);
+    $this->assertCount(0, $sorted_results);
+  }
+
   /**
    * Test filtering of results.
    */