Index: src/libictranslate/LanguageDialog.cpp
===================================================================
diff -u -r9842d6266c37f4268f3b53911194425ae886ef70 -r1bb8f04d581d395f18ec6b11327feaad0d81e649
--- src/libictranslate/LanguageDialog.cpp	(.../LanguageDialog.cpp)	(revision 9842d6266c37f4268f3b53911194425ae886ef70)
+++ src/libictranslate/LanguageDialog.cpp	(.../LanguageDialog.cpp)	(revision 1bb8f04d581d395f18ec6b11327feaad0d81e649)
@@ -625,7 +625,7 @@
 				lStyleEx |= WS_EX_RTLREADING;
 		}
 		
-		::SetWindowLong(pWnd->m_hWnd, GWL_EXSTYLE, lStyleEx);
+		::SetWindowLongPtr(pWnd->m_hWnd, GWL_EXSTYLE, lStyleEx);
 		
 		// size
 		CRect rc((*it).m_itemTemplate.x, (*it).m_itemTemplate.y, (*it).m_itemTemplate.x+(*it).m_itemTemplate.cx, (*it).m_itemTemplate.y+(*it).m_itemTemplate.cy);