Index: src/ch/MiniViewDlg.cpp
===================================================================
diff -u -N -rc9092a6f41bed1c132d5d5ddfe430e8b3ddd70ca -ra44714d5c7ec0f50a376f4d0ea919ee5a224f834
--- src/ch/MiniViewDlg.cpp	(.../MiniViewDlg.cpp)	(revision c9092a6f41bed1c132d5d5ddfe430e8b3ddd70ca)
+++ src/ch/MiniViewDlg.cpp	(.../MiniViewDlg.cpp)	(revision a44714d5c7ec0f50a376f4d0ea919ee5a224f834)
@@ -803,7 +803,7 @@
 		return;
 
 	chcore::taskid_t tTaskID = m_ctlStatus.m_vItems.at(iSel)->m_tTaskID;
-	GetParent()->PostMessage(WM_MINIVIEWDBLCLK, 0, tTaskID);
+	GetParent()->PostMessage(WM_MINIVIEWDBLCLK, 0, boost::numeric_cast<LPARAM>(tTaskID));
 }
 
 void CMiniViewDlg::OnLanguageChanged()