diff --git a/regression-test/suites/alter_p2/test_alter_colocate_group.groovy b/regression-test/suites/alter_p2/test_alter_colocate_group.groovy
index 0989aeaf5b..47c9e6402e 100644
--- a/regression-test/suites/alter_p2/test_alter_colocate_group.groovy
+++ b/regression-test/suites/alter_p2/test_alter_colocate_group.groovy
@@ -138,11 +138,11 @@ suite ("test_alter_colocate_group") {
 
     for (int i = 1; i <= 3; i++) {
         def groupName = "regression_test_alter_p2.group_${i}"
-        checkGroupsReplicaAlloc(groupName, 1)
+        checkGroupsReplicaAlloc(groupName, replication_num)
 
         def tableName = "tbl${i}"
         def hasDynamicPart = i == 3
-        checkTableReplicaAlloc(tableName, hasDynamicPart, 1)
+        checkTableReplicaAlloc(tableName, hasDynamicPart, replication_num)
 
         test {
             sql """