diff --git a/app/Console/Commands/LdapSync.php b/app/Console/Commands/LdapSync.php
index f90aeafd8d..88015b14a1 100644
--- a/app/Console/Commands/LdapSync.php
+++ b/app/Console/Commands/LdapSync.php
@@ -182,7 +182,7 @@ class LdapSync extends Command
             // Inject location information fields
             for ($i = 0; $i < $results['count']; $i++) {
                 $results[$i]['ldap_location_override'] = false;
-                $results[$i]['location_id'] = 0;
+                $results[$i]['location_id'] = null;
             }
 
             // Grab subsets based on location-specific DNs, and overwrite location for these users.
diff --git a/app/Http/Transformers/ActionlogsTransformer.php b/app/Http/Transformers/ActionlogsTransformer.php
index 2cc698263f..809e00beba 100644
--- a/app/Http/Transformers/ActionlogsTransformer.php
+++ b/app/Http/Transformers/ActionlogsTransformer.php
@@ -113,8 +113,8 @@ class ActionlogsTransformer
 
                                         // Display the changes if the user is an admin or superadmin
                                         if (Gate::allows('admin')) {
-                                            $clean_meta[$fieldname]['old'] = ($enc_old) ? unserialize($enc_old): '';
-                                            $clean_meta[$fieldname]['new'] = ($enc_new) ? unserialize($enc_new): '';
+                                            $clean_meta[$fieldname]['old'] = ($enc_old) ? unserialize($enc_old, ['allowed_classes' => false]) : '';
+                                            $clean_meta[$fieldname]['new'] = ($enc_new) ? unserialize($enc_new, ['allowed_classes' => false]) : '';
                                         }
 
                                     }