diff --git a/includes/CAPx/Drupal/Util/CAPx.php b/includes/CAPx/Drupal/Util/CAPx.php
index 13c8b07f..17b79640 100644
--- a/includes/CAPx/Drupal/Util/CAPx.php
+++ b/includes/CAPx/Drupal/Util/CAPx.php
@@ -365,6 +365,57 @@ public static function invalidateEtags($type, $object) {
 
   }
 
+  /**
+   * Clears the stanford_capx_profiles queue.
+   *
+   * If you need to clear the queue because of config changes, this is your method.
+   */
+  public static function clearTheQueue() {
+    $queue = \DrupalQueue::get('stanford_capx_profiles', TRUE);
+    $queue->deleteQueue();
+  }
+
+  /**
+   * Invalidates profile photo timestamp by importer.
+   *
+   * When a mapper changes we need to invalidate the timestamp on the
+   * profile photos associated with it.
+   *
+   * @param object $importers
+   *   Importers acquired using CAPxImporter::loadImportersByMapper($mapper);
+   */
+  public static function invalidateTimestamp($importers) {
+    $importer_machine_names = array();
+    foreach ($importers as $importer) {
+      $importer_machine_names[] = $importer->machine_name;
+    }
+    $q = db_select('capx_profiles', 'cp');
+    $q->addfield('cp', 'entity_id');
+    $q->condition('cp.importer', $importer_machine_names, 'IN');
+    $r = $q->execute()->fetchAll();
+    $profile_ids = array();
+    if (!empty($r)) {
+      foreach ($r as $id) {
+        $profile_ids[] = $id->entity_id;
+      }
+      $q = db_select('field_data_field_s_person_profile_picture', 'pp');
+      $q->addfield('pp', 'field_s_person_profile_picture_fid');
+      $q->condition('pp.entity_id', $profile_ids, 'IN');
+      $r = $q->execute()->fetchAll();
+      $fids = array();
+      if (!empty($r)) {
+        foreach ($r as $fid) {
+          $fids[] = (int) $fid->field_s_person_profile_picture_fid;
+        }
+        $q = db_update('file_managed');
+        $q->fields(array('timestamp' => 0));
+        $q->condition('fid', $fids, 'IN');
+        $q->execute();
+        cache_clear_all('*', 'cache_image', TRUE);
+      }
+    }
+  }
+
   /**
    * Remove a profile record.
    *
diff --git a/stanford_capx.forms.inc b/stanford_capx.forms.inc
index b5815119..0890b1c6 100644
--- a/stanford_capx.forms.inc
+++ b/stanford_capx.forms.inc
@@ -1020,6 +1020,12 @@ function stanford_capx_mapper_form_submit($form, $form_state) {
   }
   else {
     CAPx::invalidateEtags("mapper", $mapper);
+    // Add logic for invalidating timestamp and clearing image cache here so that profile images are updated when mapper is saved with potetially different profile image settings.
+    $importers = CAPxImporter::loadImportersByMapper($mapper);
+    if (!empty($importers)) {
+      CAPx::clearTheQueue();
+      CAPx::invalidateTimestamp($importers);
+    }
     drupal_set_message(t("Your mapping has been updated."), 'status', FALSE);
   }