diff --git a/src/workgroups-pickel.el b/src/workgroups-pickel.el
index 9efd53591df243fd51789cd1ed963711ad888b8e..fc391554071815e26aa61d8b34a3286b132259c0 100644
--- a/src/workgroups-pickel.el
+++ b/src/workgroups-pickel.el
@@ -342,7 +342,7 @@ WORKGROUP after pickeling its parameters. Otherwise return
 WORKGROUP."
     (if (not (wg-workgroup-parameters workgroup)) workgroup
       (let ((copy (wg-copy-workgroup workgroup)))
-        (wg-asetf (wg-workgroup-parameters copy) (wg-pickel copy))
+        (wg-asetf (wg-workgroup-parameters copy) (wg-pickel it))
         copy)))
 
   (defun wg-unpickel-workgroup-parameters (workgroup)
@@ -351,7 +351,7 @@ WORKGROUP after unpickeling its parameters. Otherwise return
 WORKGROUP."
     (if (not (wg-workgroup-parameters workgroup)) workgroup
       (let ((copy (wg-copy-workgroup workgroup)))
-        (wg-asetf (wg-workgroup-parameters copy) (wg-unpickel copy))
+        (wg-asetf (wg-workgroup-parameters copy) (wg-unpickel it))
         copy)))
 
   (defun wg-pickel-all-session-parameters (session)
@@ -359,7 +359,7 @@ WORKGROUP."
 parameters and the parameters of all its workgroups."
     (let ((copy (wg-copy-session session)))
       (when (wg-session-parameters copy)
-        (wg-asetf (wg-session-parameters copy) (wg-pickel copy)))
+        (wg-asetf (wg-session-parameters copy) (wg-pickel it)))
       (wg-asetf (wg-session-workgroup-list copy)
                 (cl-mapcar 'wg-pickel-workgroup-parameters it))
       copy))
@@ -369,7 +369,7 @@ parameters and the parameters of all its workgroups."
 parameters and the parameters of all its workgroups."
     (let ((copy (wg-copy-session session)))
       (when (wg-session-parameters copy)
-        (wg-asetf (wg-session-parameters copy) (wg-unpickel copy)))
+        (wg-asetf (wg-session-parameters copy) (wg-unpickel it)))
       (wg-asetf (wg-session-workgroup-list copy)
                 (cl-mapcar 'wg-unpickel-workgroup-parameters it))
       copy))