diff --git a/config/schema/webform_encrypt.schema.yml b/config/schema/webform_encrypt.schema.yml
index 3926fb7..beb0fc2 100644
--- a/config/schema/webform_encrypt.schema.yml
+++ b/config/schema/webform_encrypt.schema.yml
@@ -1,4 +1,4 @@
-webform.encrypt:
+webform_encrypt.settings:
   type: config_object
   label: 'Webform encrypt configuration'
   mapping:
@@ -10,12 +10,15 @@ webform.encrypt:
           type: sequence
           label: 'Element settings'
           sequence:
-            type: mapping
-            mapping:
-              encrypt:
-                type: string
-                label: 'Encrypt enabled'
-              encrypt_profile:
-                type: string
-                label: 'Encrypt profile'
+            type: sequence
+            label: 'Webform ID'
+            sequence:
+              type: mapping
+              mapping:
+                encrypt:
+                  type: string
+                  label: 'Encrypt enabled'
+                encrypt_profile:
+                  type: string
+                  label: 'Encrypt profile'
 
diff --git a/src/Element/WebformElementEncrypt.php b/src/Element/WebformElementEncrypt.php
index 2ea13f7..9c9712b 100644
--- a/src/Element/WebformElementEncrypt.php
+++ b/src/Element/WebformElementEncrypt.php
@@ -38,7 +38,8 @@ class WebformElementEncrypt extends FormElement {
    * Processes element attributes.
    */
   public static function processWebformElementEncrypt(&$element, FormStateInterface $form_state, &$complete_form) {
-    $config = \Drupal::service('config.factory')->get('webform.encrypt')->get('element.settings');
+    $webform_id = $form_state->getFormObject()->getWebform()->id();
+    $config = \Drupal::service('config.factory')->get('webform_encrypt.settings')->get("element.settings.$webform_id");
     $values = $form_state->getValues();
     $field_name = $values['key'];
 
@@ -79,7 +80,8 @@ class WebformElementEncrypt extends FormElement {
    * Validates element attributes.
    */
   public static function validateWebformElementEncrypt(&$element, FormStateInterface $form_state, &$complete_form) {
-    $config = \Drupal::service('config.factory')->getEditable('webform.encrypt')->get('element.settings');
+    $webform_id = $form_state->getFormObject()->getWebform()->id();
+    $config = \Drupal::service('config.factory')->getEditable('webform_encrypt.settings')->get("element.settings.$webform_id");
     $values = $form_state->getValues();
 
     $field_name = $values['key'];
@@ -88,7 +90,7 @@ class WebformElementEncrypt extends FormElement {
       'encrypt_profile' => $values['encrypt_profile'],
     );
 
-    \Drupal::service('config.factory')->getEditable('webform.encrypt')->set('element.settings', $config)->save();
+    \Drupal::service('config.factory')->getEditable('webform_encrypt.settings')->set("element.settings.$webform_id", $config)->save();
   }
 }
 
diff --git a/src/WebformEncryptSubmissionStorage.php b/src/WebformEncryptSubmissionStorage.php
index a9571f8..fe0473b 100644
--- a/src/WebformEncryptSubmissionStorage.php
+++ b/src/WebformEncryptSubmissionStorage.php
@@ -50,7 +50,8 @@ class WebformEncryptSubmissionStorage extends WebformSubmissionStorage {
    *   An array containing the Webform Submission decrypted data.
    */
   protected function getDecryptedData(WebformSubmission $webform_submission, $check_permissions = TRUE) {
-    $config = \Drupal::service('config.factory')->get('webform.encrypt')->get('element.settings');
+    $webform_id = $webform_submission->getWebform()->id();
+    $config = \Drupal::service('config.factory')->get('webform_encrypt.settings')->get("element.settings.$webform_id");
     $webform = $webform_submission->getWebform();
     $elements = $webform->getElementsInitializedFlattenedAndHasValue();
     $data = $webform_submission->getData();
diff --git a/webform_encrypt.install b/webform_encrypt.install
index 244ad40..38d8354 100644
--- a/webform_encrypt.install
+++ b/webform_encrypt.install
@@ -15,11 +15,11 @@ function webform_encrypt_uninstall() {
     ->fields('wsd', array())
     ->execute()
     ->fetchAll();
-  $config = \Drupal::service('config.factory')->get('webform.encrypt')->get('element.settings');
+  $config = \Drupal::service('config.factory')->get('webform_encrypt.settings')->get("element.settings");
 
   foreach ($submissions as $submission) {
-    if (isset($config[$submission->name]['encrypt']) && $config[$submission->name]['encrypt']) {
-      $encryption_profile = \Drupal\encrypt\Entity\EncryptionProfile::load($config[$submission->name]['encrypt_profile']);
+    if (isset($config[$submission->webform_id][$submission->name]['encrypt']) && $config[$submission->webform_id][$submission->name]['encrypt']) {
+      $encryption_profile = \Drupal\encrypt\Entity\EncryptionProfile::load($config[$submission->webform_id][$submission->name]['encrypt_profile']);
       $value = Drupal::service('encryption')->decrypt($submission->value, $encryption_profile);
       \Drupal::database()->update('webform_submission_data')
         ->fields(array('value' => $value))
@@ -28,5 +28,5 @@ function webform_encrypt_uninstall() {
     }
   }
 
-  \Drupal::configFactory()->getEditable('webform.encrypt')->delete();
+  \Drupal::configFactory()->getEditable('webform_encrypt.settings')->delete();
 }
diff --git a/webform_encrypt.module b/webform_encrypt.module
index 22c6ee1..307efd8 100644
--- a/webform_encrypt.module
+++ b/webform_encrypt.module
@@ -44,7 +44,8 @@ function webform_encrypt_form_webform_ui_element_form_alter(&$form, FormStateInt
  */
 function webform_encrypt_entity_presave(EntityInterface $entity) {
   if ($entity instanceof WebformSubmission) {
-    $config = \Drupal::service('config.factory')->get('webform.encrypt')->get('element.settings');
+    $webform_id = $entity->getWebform()->id();
+    $config = \Drupal::service('config.factory')->get('webform_encrypt.settings')->get("element.settings.$webform_id");
     $data_original = $entity->getData();
 
     $encryption = Drupal::service('encryption');