diff --git a/sakura_core/prop/CPropCommon.cpp b/sakura_core/prop/CPropCommon.cpp
index 89b6bfe81d..f5109de8eb 100644
--- a/sakura_core/prop/CPropCommon.cpp
+++ b/sakura_core/prop/CPropCommon.cpp
@@ -498,7 +498,7 @@ HFONT CPropCommon::SetFontLabel( HWND hwndDlg, int idc_static, const LOGFONT& lf
 	lfTemp = lf;
 
 	// 大きすぎるフォントは小さく表示
-	int limitSize = DpiScaleY( 16 );
+	LONG limitSize = ::DpiPointsToPixels( 16 );
 	if ( lfTemp.lfHeight < -limitSize ) {
 		lfTemp.lfHeight = -limitSize;
 	}
diff --git a/sakura_core/typeprop/CPropTypes.cpp b/sakura_core/typeprop/CPropTypes.cpp
index 52930c0ee3..5e90179034 100644
--- a/sakura_core/typeprop/CPropTypes.cpp
+++ b/sakura_core/typeprop/CPropTypes.cpp
@@ -285,7 +285,7 @@ HFONT CPropTypes::SetFontLabel( HWND hwndDlg, int idc_static, const LOGFONT& lf,
 	lfTemp = lf;
 
 	// 大きすぎるフォントは小さく表示
-	int limitSize = DpiScaleY( 16 );
+	LONG limitSize = ::DpiPointsToPixels( 16 );
 	if ( lfTemp.lfHeight < -limitSize ) {
 		lfTemp.lfHeight = -limitSize;
 	}