diff --git a/C4/Log.pm b/C4/Log.pm
index d7ad162c4c..cf0fd34de7 100644
--- a/C4/Log.pm
+++ b/C4/Log.pm
@@ -88,7 +88,7 @@ sub logaction {
         local $Data::Dumper::Sortkeys = 1;
 
         if ( $infos->isa('Koha::Item') && $modulename eq 'CATALOGUING' && $actionname eq 'MODIFY' ) {
-            $infos = "item " . Dumper($updated);
+            $infos = "item " . Dumper( $original->unblessed );
         } else {
             $infos = Dumper($updated);
         }
diff --git a/Koha/Item.pm b/Koha/Item.pm
index 92803c2618..e098b05b8e 100644
--- a/Koha/Item.pm
+++ b/Koha/Item.pm
@@ -220,11 +220,12 @@ sub store {
         }
     }
 
+    my $original = Koha::Items->find( $self->itemnumber );    # $original will be undef if $action eq 'create'
     my $result = $self->SUPER::store;
     if ( $log_action && C4::Context->preference("CataloguingLog") ) {
         $action eq 'create'
-          ? logaction( "CATALOGUING", "ADD", $self->itemnumber, "item" )
-          : logaction( "CATALOGUING", "MODIFY", $self->itemnumber, $self );
+            ? logaction( "CATALOGUING", "ADD", $self->itemnumber, "item" )
+            : logaction( "CATALOGUING", "MODIFY", $self->itemnumber, $self, undef, $original );
     }
     my $indexer = Koha::SearchEngine::Indexer->new({ index => $Koha::SearchEngine::BIBLIOS_INDEX });
     $indexer->index_records( $self->biblionumber, "specialUpdate", "biblioserver" )