diff --git a/sane/DlgPage.cpp b/sane/DlgPage.cpp
index 6294c4a..40b461d 100644
--- a/sane/DlgPage.cpp
+++ b/sane/DlgPage.cpp
@@ -852,10 +852,14 @@ BOOL dlg_page::on_notify(int ctrl_id, LPNMHDR pnmh)
 	pnmh->code == NM_TOOLTIPSCREATED;
 	GetClassNameW((HWND)pnmh->hwndFrom, cls, _countof(cls) - 1);
 	if (IS_TRACKBAR(cls))
-	{
-		if (pnmh->code != NM_RELEASEDCAPTURE &&
-			pnmh->code != NM_CUSTOMDRAW)
-			return FALSE;
+	{		
+		if (pnmh->code != NM_RELEASEDCAPTURE)
+		{
+			if (pnmh->code == NM_CUSTOMDRAW && (GetAsyncKeyState(VK_LBUTTON) & 0x8000) && GetFocus() == pnmh->hwndFrom) // drag track ...
+				;
+			else
+				return FALSE;
+		}
 	}
 	else if (IS_UPDOWN_ARROW(cls))
 	{
diff --git a/sane/scanner.cpp b/sane/scanner.cpp
index a93d82e..ae5f2e7 100644
--- a/sane/scanner.cpp
+++ b/sane/scanner.cpp
@@ -784,7 +784,7 @@ int scanner::init_options_id(void)
 
 	while ((desc = hg_sane_middleware::instance()->get_option_descriptor(handle_, op_id)))
 	{
-		void* val = hg_sane_middleware::instance()->get_def_value(handle_, op_id);
+		void* val = hg_sane_middleware::instance()->get_def_value(handle_, op_id, NULL, true);
 		if (val)
 		{
 			size_t	len = 0;