diff --git a/lib/impression/impression_canon.py b/lib/impression/impression_canon.py
index 9e9365a3..2efe3d48 100755
--- a/lib/impression/impression_canon.py
+++ b/lib/impression/impression_canon.py
@@ -436,7 +436,7 @@ class impression:
             options += ' -o OutputBin=TrayC'
         else:
             options += ' -o OutputBin=TrayA'
-            options += ' -o StapleLocation=%s' % self._settings['agrafage']
+            options += ' -o Collate=StapleCollate -o StapleLocation=%s' % self._settings['agrafage']
 
         cmd = "lpr %s -# %d %s" % (options, self._settings['copies'],
                                    self._fichier)