diff --git a/database/migrations/create_chronos_audits_table.php b/database/migrations/create_chronos_audits_table.php
index 737618b..be22eb8 100644
--- a/database/migrations/create_chronos_audits_table.php
+++ b/database/migrations/create_chronos_audits_table.php
@@ -22,7 +22,7 @@ public function up()
             
             $table->timestamps();
             
-            $table->index(['auditable_type', 'auditable_id']);
+            $table->index(['auditable_type', 'auditable_id'],'auditable_index');
         });
     }
 
@@ -30,4 +30,4 @@ public function down()
     {
         Schema::dropIfExists('chronos_audits');
     }
-};
\ No newline at end of file
+};