--- a/GameGeneral.cpp
+++ b/GameGeneral.cpp
@@ -125,6 +125,7 @@
 	ON_EN_KILLFOCUS(IDC_U4, OnDefaultKillfocus)
 	ON_EN_KILLFOCUS(IDC_U5, OnDefaultKillfocus)
 	ON_EN_KILLFOCUS(IDC_AREA, OnDefaultKillfocus)
+	ON_EN_KILLFOCUS(IDC_UNKNOWN64, OnDefaultKillfocus)
 	//}}AFX_MSG_MAP
 	ON_NOTIFY(NM_RELEASEDCAPTURE, IDC_SLIDER, OnDefaultKillfocusX)
 END_MESSAGE_MAP()