diff --git a/pmd_relation_upd.php b/pmd_relation_upd.php
index ed74dde41..49ba898ff 100644
--- a/pmd_relation_upd.php
+++ b/pmd_relation_upd.php
@@ -35,13 +35,15 @@ if (PMA_foreignkey_supported($type_T1) && PMA_foreignkey_supported($type_T2) &&
     }
 } else {
     // internal relations
-    PMA_query_as_cu('DELETE FROM '.$cfg['Server']['relation'].' WHERE '
+    PMA_query_as_cu('DELETE FROM ' 
+              . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.'
+              . $cfg['Server']['relation'].' WHERE '
               . 'master_db = \'' . PMA_sqlAddslashes($DB2) . '\''
-              . 'AND master_table = \'' . PMA_sqlAddslashes($T2) . '\''
-              . 'AND master_field = \'' . PMA_sqlAddslashes($F2) . '\''
-              . 'AND foreign_db = \'' . PMA_sqlAddslashes($DB1) . '\''
-              . 'AND foreign_table = \'' . PMA_sqlAddslashes($T1) . '\''
-              . 'AND foreign_field = \'' . PMA_sqlAddslashes($F1) . '\''
+              . ' AND master_table = \'' . PMA_sqlAddslashes($T2) . '\''
+              . ' AND master_field = \'' . PMA_sqlAddslashes($F2) . '\''
+              . ' AND foreign_db = \'' . PMA_sqlAddslashes($DB1) . '\''
+              . ' AND foreign_table = \'' . PMA_sqlAddslashes($T1) . '\''
+              . ' AND foreign_field = \'' . PMA_sqlAddslashes($F1) . '\''
               , FALSE, PMA_DBI_QUERY_STORE);
 }
 PMD_return(1, 'strRelationDeleted');