diff --git a/installer/data/mysql/db_revs/250600020.pl b/installer/data/mysql/db_revs/250600020.pl
index b004c92312..85e092342d 100755
--- a/installer/data/mysql/db_revs/250600020.pl
+++ b/installer/data/mysql/db_revs/250600020.pl
@@ -61,7 +61,7 @@ return {
 
         $dbh->do(
             q{
-                UPDATE marc_subfield_structure SET kohafield='biblio.opac_suppressed' WHERE tagfield=942 AND tagsubfield='n';
+                UPDATE marc_subfield_structure SET kohafield='biblio.opac_suppressed' WHERE tagfield='942' AND tagsubfield='n';
             }
         );