diff --git a/reactos/base/system/services/database.c b/reactos/base/system/services/database.c
index 39563d82db9..5f3749694ab 100644
--- a/reactos/base/system/services/database.c
+++ b/reactos/base/system/services/database.c
@@ -29,7 +29,7 @@
  * Uncomment the line below to use asynchronous IO operations
  * on the service control pipes.
  */
-// #define USE_ASYNCHRONOUS_IO
+#define USE_ASYNCHRONOUS_IO
 
 
 /* GLOBALS *******************************************************************/