}
 B64_PREFIX = 'b64:'
 OSC52_PREFIX = ']52;c;'
+PASTE_DELIMITER = '\007'
 
 IRCSPEC_LINE_SEPARATOR = b'\r\n'
 IRCSPEC_TAG_ESCAPES = ((r'\:', ';'),
                     if not (encoded := fused[len(OSC52_PREFIX):]):
                         while True:
                             gotch = self._blessed.getch()
-                            if ord(gotch) == 7:
+                            if gotch == PASTE_DELIMITER:
                                 break
                             encoded += gotch
                     yield f'{B64_PREFIX}{encoded}'
 
     def cmd__paste(self) -> None:
         'Write OSC 52 ? sequence to get encoded clipboard paste into stdin.'
-        self._term.write(f'\033{OSC52_PREFIX}?\007',
+        self._term.write(f'\033{OSC52_PREFIX}?{PASTE_DELIMITER}',
                          self._y_status)
         self.draw()