diff --git a/mysql-test/t/type_newdecimal.test b/mysql-test/t/type_newdecimal.test
index 3e8d1f2e9e9..93a1a1afa45 100644
--- a/mysql-test/t/type_newdecimal.test
+++ b/mysql-test/t/type_newdecimal.test
@@ -1056,11 +1056,13 @@ create table t (d decimal(0,10));
 #
 
 create table t1 (c1 decimal(64));
+--disable_ps_protocol
 insert into t1 values(
 89000000000000000000000000000000000000000000000000000000000000000000000000000000000000000);
 insert into t1 values(
 99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 *
 99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999);
+--enable_ps_protocol
 insert into t1 values(1e100);
 select * from t1;
 drop table t1;