diff --git a/reactos/drivers/input/i8042prt/mouse.c b/reactos/drivers/input/i8042prt/mouse.c
index e4f14770397..d213253c7b7 100644
--- a/reactos/drivers/input/i8042prt/mouse.c
+++ b/reactos/drivers/input/i8042prt/mouse.c
@@ -918,7 +918,7 @@ BOOLEAN STDCALL I8042DetectMouse(PDEVICE_EXTENSION DevExt)
 	     ReplyByte < sizeof(ExpectedReply) / sizeof(ExpectedReply[0]) && Ok;
 	     ReplyByte++)
 	{
-		Counter = 200;
+		Counter = 500;
 
 		do {
 			Status = I8042ReadDataWait(DevExt, &Value);