diff --git a/install/tpl/authmysqlrc.master b/install/tpl/authmysqlrc.master
index 214c40f82c337710388f217ba9c5354833846d98..c35aca82f8183ef92c7d5755d6c48ec0c88cc9b7 100644
--- a/install/tpl/authmysqlrc.master
+++ b/install/tpl/authmysqlrc.master
@@ -16,4 +16,4 @@ MYSQL_QUOTA_FIELD quota
 #MYSQL_QUOTA_FIELD concat(quota,'S')
 #MYSQL_WHERE_CLAUSE      access='y'
 #MYSQL_AUXOPTIONS_FIELD concat('disableimap=',disableimap,',disablepop3=',disablepop3)
-MYSQL_AUXOPTIONS_FIELD concat('disableimap=',(replace(disableimap,'y',1)),',','disablepop3=',(replace(disablepop3,'y',1)))
+MYSQL_AUXOPTIONS_FIELD concat('disableimap=', if(disableimap = 'y', 1, 0), ',', 'disablepop3=', if(disablepop3 = 'y', 1, 0))
\ No newline at end of file