diff --git a/regression-test/suites/query_p0/sort/topn_2pr_rule.groovy b/regression-test/suites/query_p0/sort/topn_2pr_rule.groovy
index 45b9d6f250..f5e20a97dd 100644
--- a/regression-test/suites/query_p0/sort/topn_2pr_rule.groovy
+++ b/regression-test/suites/query_p0/sort/topn_2pr_rule.groovy
@@ -42,7 +42,7 @@ suite("topn_2pr_rule") {
                 contains "OPT TWO PHASE"
             } 
             explain {
-                sql("select * from ${table_name}  where k = 1 order by k limit 1;")
+                sql("select * from ${table_name}  where k > 1 order by k limit 1;")
                 contains "OPT TWO PHASE"
             } 
             explain {