diff --git a/libraries.install b/libraries.install
index ac9e652..1bcd5c1 100644
--- a/libraries.install
+++ b/libraries.install
@@ -19,7 +19,7 @@ function libraries_schema() {
  */
 function libraries_update_7200() {
   if (!db_table_exists('cache_libraries')) {
-    $specs = drupal_get_schema_unprocessed('system', 'cache');
-    db_create_table('cache_libraries', $specs);
+    $specs = libraries_schema();
+    db_create_table('cache_libraries', $specs['cache_libraries']);
   }
 }