Index: src/ch/CustomCopyDlg.cpp
===================================================================
diff -u -N -r2aea3ad6f3c68be709ac65c70d9646eafe3b034c -ra795c6fee89a6f17d437d7030a54d8d5ecf1ae17
--- src/ch/CustomCopyDlg.cpp	(.../CustomCopyDlg.cpp)	(revision 2aea3ad6f3c68be709ac65c70d9646eafe3b034c)
+++ src/ch/CustomCopyDlg.cpp	(.../CustomCopyDlg.cpp)	(revision a795c6fee89a6f17d437d7030a54d8d5ecf1ae17)
@@ -487,7 +487,7 @@
 	m_tTaskDefinition.SetOperationType(m_ctlOperation.GetCurSel() == 0 ? chcore::eOperation_Copy: chcore::eOperation_Move);
 
 	// priority
-	SetTaskPropValue<eTO_ThreadPriority>(m_tTaskDefinition.GetConfiguration(), m_ctlPriority.GetCurSel());
+	SetTaskPropValue<eTO_ThreadPriority>(m_tTaskDefinition.GetConfiguration(), IndexToPriority(m_ctlPriority.GetCurSel()));
 
 	SetTaskPropValue<eTO_IgnoreDirectories>(m_tTaskDefinition.GetConfiguration(), (m_bIgnoreFolders != 0));
 	SetTaskPropValue<eTO_CreateDirectoriesRelativeToRoot>(m_tTaskDefinition.GetConfiguration(), (m_bForceDirectories != 0));