diff -u b/core/includes/theme.inc b/core/includes/theme.inc
--- b/core/includes/theme.inc
+++ b/core/includes/theme.inc
@@ -316,11 +316,12 @@
   // If _theme() was invoked with a direct theme suggestion like
   // '#theme' => 'node__article', add it to the suggestions array before
   // invoking suggestion alter hooks.
-  if (isset($info['base hook'])) {
-    $suggestions[] = $hook;
-  }
   if ($hook != $theme_hooks) {
     $suggestions = array_merge($suggestions, (array) $theme_hooks);
+    $suggestions = array_reverse($suggestions);
+  }
+  if (isset($info['base hook'])) {
+    $suggestions[] = $hook;
   }
 
   // Invoke hook_theme_suggestions_alter() and
diff -u b/core/themes/engines/twig/twig.engine b/core/themes/engines/twig/twig.engine
--- b/core/themes/engines/twig/twig.engine
+++ b/core/themes/engines/twig/twig.engine
@@ -88,12 +88,12 @@
       $extension = twig_extension();
       $current_template = basename($template_file);
       $suggestions = $variables['theme_hook_suggestions'];
-      $suggestions = array_unique($suggestions);
       // Only add the original theme hook if it wasn't a directly called
       // suggestion.
       if (strpos($variables['theme_hook_original'], '__') === FALSE) {
         $suggestions[] = $variables['theme_hook_original'];
       }
+      $suggestions = array_unique($suggestions);
       foreach ($suggestions as &$suggestion) {
         $template = strtr($suggestion, '_', '-') . $extension;
         $prefix = ($template == $current_template) ? 'x' : '*';