diff --git a/installer/data/mysql/db_revs/220600075.pl b/installer/data/mysql/db_revs/220600075.pl
index df2dbb255c..279284a8dd 100755
--- a/installer/data/mysql/db_revs/220600075.pl
+++ b/installer/data/mysql/db_revs/220600075.pl
@@ -1,12 +1,17 @@
 use Modern::Perl;
 
 return {
-    bug_number => "31948",
+    bug_number  => "31948",
     description => "Add timestamp to tmp_holdsqueue table",
     up => sub {
         my ($args) = @_;
         my ($dbh, $out) = @$args{qw(dbh out)};
 
-        $dbh->do(q{ALTER TABLE `tmp_holdsqueue` ADD `timestamp` timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP AFTER item_level_request});
+        unless ( column_exists( 'tmp_holdsqueue', 'timestamp' ) ) {
+            $dbh->do(q{
+                ALTER TABLE `tmp_holdsqueue`
+                    ADD `timestamp` timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP AFTER item_level_request
+            });
+        }
     },
 };