Index: openacs-4/packages/acs-tcl/tcl/defs-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-tcl/tcl/defs-procs.tcl,v
diff -u -N -r1.80 -r1.81
--- openacs-4/packages/acs-tcl/tcl/defs-procs.tcl	31 Jan 2019 07:44:21 -0000	1.80
+++ openacs-4/packages/acs-tcl/tcl/defs-procs.tcl	11 Feb 2019 09:56:49 -0000	1.81
@@ -480,7 +480,13 @@
             and    apm_parameters.package_key = :key
         } -default ""]
     } else {
-        set value [db_string select_instance_parameter_value {} -default ""]
+        set value [db_string select_instance_parameter_value {
+            select apm_parameter_values.attr_value
+            from   apm_parameters, apm_parameter_values
+            where  apm_parameter_values.package_id = :key
+            and    apm_parameter_values.parameter_id = apm_parameters.parameter_id
+            and    apm_parameters.parameter_name = :parameter_name
+        } -default ""]
     }
     nsv_set "ad_param_${key}" $parameter_name $value
     return $value