diff --git a/klippy/extras/display_status.py b/klippy/extras/display_status.py
index ce2cece5..ce946dc8 100644
--- a/klippy/extras/display_status.py
+++ b/klippy/extras/display_status.py
@@ -29,14 +29,13 @@ class DisplayStatus:
             if sdcard is not None:
                 progress = sdcard.get_status(eventtime)['progress']
         return { 'progress': progress, 'message': self.message }
-    def cmd_M73(self, params):
-        gcode = self.printer.lookup_object('gcode')
-        progress = gcode.get_float('P', params, 0.) / 100.
+    def cmd_M73(self, gcmd):
+        progress = gcmd.get_float('P', 0.) / 100.
         self.progress = min(1., max(0., progress))
         curtime = self.printer.get_reactor().monotonic()
         self.expire_progress = curtime + M73_TIMEOUT
-    def cmd_M117(self, params):
-        msg = params['#original']
+    def cmd_M117(self, gcmd):
+        msg = gcmd.get_commandline()
         umsg = msg.upper()
         if not umsg.startswith('M117'):
             # Parse out additional info if M117 recd during a print