diff --git a/core/modules/system/system.modules.js b/core/modules/system/system.modules.js
index ad8fa23..9ca9f85 100644
--- a/core/modules/system/system.modules.js
+++ b/core/modules/system/system.modules.js
@@ -38,12 +38,18 @@ Drupal.behaviors.tableFilterByText = {
       if (query.length >= 2) {
         $rows.each(showModuleRow);
 
-        // Hide the package <details> if they don't have any visible rows.
         // Note that we first open all <details> to be able to use ':visible'.
+        // Mark the <details> elements that were closed before filtering, so
+        // they can be reclosed when filtering is removed.
+        $details.not('[open]').attr('data-drupal-system-state', 'forced-open');
+        // Hide the package <details> if they don't have any visible rows.
         $details.attr('open', 'open').each(hidePackageDetails);
       }
       else {
         $rowsAndDetails.show();
+        // Return <details> elements that had been closed before filtering
+        // to a closed state.
+        $details.filter('[data-drupal-system-state="forced-open"]').removeAttr('open data-drupal-system-state');
       }
     }