diff --git a/src/Entity/Facet.php b/src/Entity/Facet.php
index ab04f0f..b29842c 100644
--- a/src/Entity/Facet.php
+++ b/src/Entity/Facet.php
@@ -329,7 +329,16 @@ class Facet extends ConfigEntityBase implements FacetInterface {
     }
 
     return $this->processors;
-  }  /**
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getProcessorConfigs() {
+    return $this->processor_configs;
+  }
+
+  /**
    * {@inheritdoc}
    */
   public function getQueryType() {
diff --git a/src/FacetInterface.php b/src/FacetInterface.php
index 1d86289..1406476 100644
--- a/src/FacetInterface.php
+++ b/src/FacetInterface.php
@@ -293,6 +293,14 @@ interface FacetInterface extends ConfigEntityInterface {
   public function getProcessorsByStage($stage, $only_enabled = TRUE);
 
   /**
+   * Retrieves this facets's processor configs.
+   *
+   * @return array
+   *   An array of processors and their configs.
+   */
+  public function getProcessorConfigs();
+
+  /**
    * Sets the "only visible when facet source is visible" boolean flag.
    *
    * @param bool $only_visible_when_facet_source_is_visible
diff --git a/src/Form/FacetDisplayForm.php b/src/Form/FacetDisplayForm.php
index 5a5a04b..5420ce4 100644
--- a/src/Form/FacetDisplayForm.php
+++ b/src/Form/FacetDisplayForm.php
@@ -393,6 +393,8 @@ class FacetDisplayForm extends EntityForm {
       );
     }
 
+    $processor_settings = $facet->getProcessorConfigs();
+
     // Fill in the containers previously created with the processors that are
     // enabled on the facet.
     foreach ($processors_by_stage as $stage => $processors) {
@@ -498,9 +500,8 @@ class FacetDisplayForm extends EntityForm {
         'weights' => array(),
         'settings' => array(),
       );
-      $processor_values = $values[$form_container_key][$processor_id];
-      if (!empty($processor_values['weights'])) {
-        $new_settings['weights'] = $processor_values['weights'];
+      if (!empty($values['processors'][$processor_id]['weights'])) {
+        $new_settings['weights'] = $values['processors'][$processor_id]['weights'];
       }
       if (isset($form[$form_container_key][$processor_id]['settings'])) {
         $processor_form_state = new SubFormState(
diff --git a/src/Tests/IntegrationTest.php b/src/Tests/IntegrationTest.php
index bcb12d2..cc51daa 100644
--- a/src/Tests/IntegrationTest.php
+++ b/src/Tests/IntegrationTest.php
@@ -401,6 +401,32 @@ class IntegrationTest extends FacetWebTestBase {
     $this->drupalPostForm(NULL, $form, $this->t('Save'));
     $this->assertResponse(200);
     $this->assertFieldChecked('edit-facet-settings-count-limit-status');
+
+    // Add an extra processor so we can test the weights as well.
+    $form = [
+      'facet_settings[hide_non_narrowing_result_processor][status]' => TRUE,
+      'facet_settings[count_limit][status]' => TRUE,
+    ];
+    $this->drupalPostForm(NULL, $form, $this->t('Save'));
+
+    $this->assertResponse(200);
+    $this->assertFieldChecked('edit-facet-settings-count-limit-status');
+    $this->assertFieldChecked('edit-facet-settings-hide-non-narrowing-result-processor-status');
+    $this->assertOptionSelected('edit-processors-count-limit-weights-build', -10);
+    $this->assertOptionSelected('edit-processors-hide-non-narrowing-result-processor-weights-build', -10);
+
+    // Change the weight of one of the processors and test that the weight
+    // change persisted.
+    $form = [
+      'facet_settings[hide_non_narrowing_result_processor][status]' => TRUE,
+      'facet_settings[count_limit][status]' => TRUE,
+      'processors[hide_non_narrowing_result_processor][weights][build]' => 5,
+    ];
+    $this->drupalPostForm(NULL, $form, $this->t('Save'));
+    $this->assertFieldChecked('edit-facet-settings-count-limit-status');
+    $this->assertFieldChecked('edit-facet-settings-hide-non-narrowing-result-processor-status');
+    $this->assertOptionSelected('edit-processors-count-limit-weights-build', -10);
+    $this->assertOptionSelected('edit-processors-hide-non-narrowing-result-processor-weights-build', 5);
   }
 
   /**