diff --git a/tests/script/general/field/unsigined_bigint.sim b/tests/script/general/field/unsigined_bigint.sim
index fe81b50ab4..1cfe8ad15b 100644
--- a/tests/script/general/field/unsigined_bigint.sim
+++ b/tests/script/general/field/unsigined_bigint.sim
@@ -21,12 +21,13 @@ $mt = $mtPrefix . $i
 
 sql create database $db
 sql use $db
-sql create table $mt (ts timestamp, tbcol bigint unsigned) TAGS(tgcol bigint)
+sql create table $mt (ts timestamp, tbcol bigint unsigned) TAGS(tgcol bigint unsigned)
 
 $i = 0
 while $i < 5
   $tb = $tbPrefix . $i
   sql create table $tb using $mt tags( 0 )  
+  sql create table $tb using $mt tags( -111 )  
   $x = 0
   while $x < $rowNum
     $ms = $x . m