diff --git a/teraterm/teraterm/sendfiledlg.cpp b/teraterm/teraterm/sendfiledlg.cpp
index d654efefc..a68a221ca 100644
--- a/teraterm/teraterm/sendfiledlg.cpp
+++ b/teraterm/teraterm/sendfiledlg.cpp
@@ -178,7 +178,7 @@ static INT_PTR CALLBACK SendFileDlgProc(HWND hDlgWnd, UINT msg, WPARAM wp, LPARA
 				HWND hComboBox = GetDlgItem(hDlgWnd, IDC_SENDFILE_SEND_SIZE_DROPDOWN);
 				GetComboBoxInfo(hComboBox, &cbi);
 				HWND hEdit = cbi.hwndItem;
-				SetWindowLongW(hEdit, GWL_STYLE, ES_NUMBER | GetWindowLongW(hEdit, GWL_STYLE));
+				SetWindowLongPtrW(hEdit, GWL_STYLE, GetWindowLongPtrW(hEdit, GWL_STYLE) | ES_NUMBER);
 			}
 
 			return TRUE;
diff --git a/teraterm/teraterm/ttermpro.rc b/teraterm/teraterm/ttermpro.rc
index 7db8a7d33..9fbd594cd 100644
--- a/teraterm/teraterm/ttermpro.rc
+++ b/teraterm/teraterm/ttermpro.rc
@@ -358,9 +358,9 @@ BEGIN
     COMBOBOX        IDC_SENDFILE_SEND_SIZE_DROPDOWN,18,121,65,47,CBS_DROPDOWN | WS_VSCROLL | WS_TABSTOP
     LTEXT           "delay time(ms)",IDC_SENDFILE_DELAYTIME_LABEL,9,139,75,8
     EDITTEXT        IDC_SENDFILE_DELAYTIME_EDIT,18,154,40,14,ES_AUTOHSCROLL | ES_NUMBER
-    DEFPUSHBUTTON   "OK",IDOK,104,179,50,14
+    PUSHBUTTON      "Help",IDHELP,104,179,50,14
     PUSHBUTTON      "Cancel",IDCANCEL,160,179,50,14
-    PUSHBUTTON      "Help",IDHELP,215,179,50,14
+    DEFPUSHBUTTON   "OK",IDOK,215,179,50,14
 END
 
 IDD_TABSHEET_THEME DIALOGEX 0, 0, 307, 162