diff --git a/installer/sakura-common.iss b/installer/sakura-common.iss
index 2213200ea0..5e5928232b 100644
--- a/installer/sakura-common.iss
+++ b/installer/sakura-common.iss
@@ -163,11 +163,11 @@ Root: HKLM; Subkey: "SOFTWARE\Classes\Applications\sakura.exe\shell\open\command
 
 Root: HKLM; Subkey: "SOFTWARE\Classes\directory\shell\sakuraGrep";         ValueType: string; ValueName: "";     ValueData: "SAKURAでGrep";                    Tasks: sakuragrep; Flags: uninsdeletekey; Check: CheckPrivilege(true)
 Root: HKLM; Subkey: "SOFTWARE\Classes\directory\shell\sakuraGrep";         ValueType: string; ValueName: "Icon"; ValueData: """{app}\sakura.exe""";            Tasks: sakuragrep; Flags: uninsdeletekey; Check: CheckPrivilege(true)
-Root: HKLM; Subkey: "SOFTWARE\Classes\directory\shell\sakuraGrep\command"; ValueType: string; ValueName: "";     ValueData: """{app}\sakura.exe"" -GREPDLG -GREPMODE  -GFOLDER=""%1"" -GOPT=""S"" -GCODE=99 "; Tasks: sakuragrep;  Flags: uninsdeletekey; Check: CheckPrivilege(true)
+Root: HKLM; Subkey: "SOFTWARE\Classes\directory\shell\sakuraGrep\command"; ValueType: string; ValueName: "";     ValueData: """{app}\sakura.exe"" -GREPDLG -GREPMODE  -GFOLDER=""%1"" -GOPT=""SP"" -GCODE=99 "; Tasks: sakuragrep;  Flags: uninsdeletekey; Check: CheckPrivilege(true)
 
 Root: HKLM; Subkey: "SOFTWARE\Classes\directory\BackGround\shell\sakuraGrep";         ValueType: string; ValueName: "";     ValueData: "SAKURAでGrep";         Tasks: sakuragrep; Flags: uninsdeletekey; Check: CheckPrivilege(true)
 Root: HKLM; Subkey: "SOFTWARE\Classes\directory\BackGround\shell\sakuraGrep";         ValueType: string; ValueName: "Icon"; ValueData: """{app}\sakura.exe"""; Tasks: sakuragrep; Flags: uninsdeletekey; Check: CheckPrivilege(true)
-Root: HKLM; Subkey: "SOFTWARE\Classes\directory\BackGround\shell\sakuraGrep\command"; ValueType: string; ValueName: "";     ValueData: """{app}\sakura.exe"" -GREPDLG -GREPMODE  -GFOLDER=""%V"" -GOPT=""S"" -GCODE=99  "; Tasks: sakuragrep; Flags: uninsdeletekey; Check: CheckPrivilege(true)
+Root: HKLM; Subkey: "SOFTWARE\Classes\directory\BackGround\shell\sakuraGrep\command"; ValueType: string; ValueName: "";     ValueData: """{app}\sakura.exe"" -GREPDLG -GREPMODE  -GFOLDER=""%V"" -GOPT=""SP"" -GCODE=99  "; Tasks: sakuragrep; Flags: uninsdeletekey; Check: CheckPrivilege(true)
 
 ; registry for each user (non-Admin only)
 Root: HKCU; Subkey: "SOFTWARE\Classes\*\shell\sakuraeditor";                       ValueType: string; ValueName: "";     ValueData: "{cm:fileassocMenu}";          Tasks: fileassoc; Flags: uninsdeletekey; Check: CheckPrivilege(false)
@@ -177,11 +177,11 @@ Root: HKCU; Subkey: "SOFTWARE\Classes\Applications\sakura.exe\shell\open\command
 
 Root: HKLM; Subkey: "SOFTWARE\Classes\directory\shell\sakuraGrep";         ValueType: string; ValueName: "";     ValueData: "SAKURAでGrep";                    Tasks: sakuragrep; Flags: uninsdeletekey; Check: CheckPrivilege(false)
 Root: HKLM; Subkey: "SOFTWARE\Classes\directory\shell\sakuraGrep";         ValueType: string; ValueName: "Icon"; ValueData: """{app}\sakura.exe""";            Tasks: sakuragrep; Flags: uninsdeletekey; Check: CheckPrivilege(false)
-Root: HKLM; Subkey: "SOFTWARE\Classes\directory\shell\sakuraGrep\command"; ValueType: string; ValueName: "";     ValueData: """{app}\sakura.exe"" -GREPDLG -GREPMODE  -GFOLDER=""%1"" -GOPT=""S"" -GCODE=99  "; Tasks: sakuragrep;  Flags: uninsdeletekey; Check: CheckPrivilege(false)
+Root: HKLM; Subkey: "SOFTWARE\Classes\directory\shell\sakuraGrep\command"; ValueType: string; ValueName: "";     ValueData: """{app}\sakura.exe"" -GREPDLG -GREPMODE  -GFOLDER=""%1"" -GOPT=""SP"" -GCODE=99  "; Tasks: sakuragrep;  Flags: uninsdeletekey; Check: CheckPrivilege(false)
 
 Root: HKLM; Subkey: "SOFTWARE\Classes\directory\BackGround\shell\sakuraGrep";         ValueType: string; ValueName: "";     ValueData: "SAKURAでGrep";         Tasks: sakuragrep;  Flags: uninsdeletekey; Check: CheckPrivilege(false)
 Root: HKLM; Subkey: "SOFTWARE\Classes\directory\BackGround\shell\sakuraGrep";         ValueType: string; ValueName: "Icon"; ValueData: """{app}\sakura.exe"""; Tasks: sakuragrep;  Flags: uninsdeletekey; Check: CheckPrivilege(false)
-Root: HKLM; Subkey: "SOFTWARE\Classes\directory\BackGround\shell\sakuraGrep\command"; ValueType: string; ValueName: "";     ValueData: """{app}\sakura.exe"" -GREPDLG -GREPMODE  -GFOLDER=""%V"" -GOPT=""S"" -GCODE=99  "; Tasks: sakuragrep;  Flags: uninsdeletekey; Check: CheckPrivilege(false)
+Root: HKLM; Subkey: "SOFTWARE\Classes\directory\BackGround\shell\sakuraGrep\command"; ValueType: string; ValueName: "";     ValueData: """{app}\sakura.exe"" -GREPDLG -GREPMODE  -GFOLDER=""%V"" -GOPT=""SP"" -GCODE=99  "; Tasks: sakuragrep;  Flags: uninsdeletekey; Check: CheckPrivilege(false)
 
 [Icons]
 Name: "{group}\{cm:AppName}";                                                Filename: "{app}\sakura.exe";                         Components: main; Check: InTopMenu(false);   Tasks: startmenu;