Index: openacs-4/packages/acs-subsite/lib/login.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-subsite/lib/login.tcl,v
diff -u -r1.41.2.1 -r1.41.2.2
--- openacs-4/packages/acs-subsite/lib/login.tcl	23 Feb 2019 13:02:06 -0000	1.41.2.1
+++ openacs-4/packages/acs-subsite/lib/login.tcl	24 Feb 2019 07:58:20 -0000	1.41.2.2
@@ -157,12 +157,16 @@
     }
 }
 
-set options_list [list [list [_ acs-subsite.Remember_my_login] "t"]]
 if { $allow_persistent_login_p } {
+    set default_persistent_login [parameter::get \
+                                      -package_id $subsite_id \
+                                      -parameter PersistentLoginDefault \
+                                      -default 1]
+    set checkbox_default [expr {$default_persistent_login == 1 ? "t" : "f"}]
     ad_form -extend -name login -form {
         {persistent_p:text(checkbox),optional
             {label ""}
-            {options $options_list}
+            {options {{"[_ acs-subsite.Remember_my_login]" $checkbox_default}}}
         }
     }
 }