diff --git a/mysql-test/t/type_datetime.test b/mysql-test/t/type_datetime.test
index 3f96673c43f..cf6835d436e 100644
--- a/mysql-test/t/type_datetime.test
+++ b/mysql-test/t/type_datetime.test
@@ -175,12 +175,12 @@ set @@sql_mode= @org_mode;
 ## ( Bug#29290 type_datetime.test failure in 5.1 )
 ## Therefore we sleep a bit if we are too close to midnight.
 ## The complete test itself needs around 1 second.
-## Therefore a time_distance to midnight of 5 seconds should be sufficient.
-if (`SELECT CURTIME() > SEC_TO_TIME(24 * 3600 - 5)`)
+## Therefore a time_distance to midnight of 10 seconds should be sufficient.
+if (`SELECT CURTIME() > SEC_TO_TIME(24 * 3600 - 10)`)
 {
-   # We are here when CURTIME() is between '23:59:56' and '23:59:59'.
-   # So a sleep time of 5 seconds brings us between '00:00:01' and '00:00:04'.
-   --real_sleep 5
+   # We are here when CURTIME() is between '23:59:51' and '23:59:59'.
+   # So a sleep time of 10 seconds brings us between '00:00:01' and '00:00:09'.
+   --real_sleep 10
 }
 create table t1 (f1 date, f2 datetime, f3 timestamp);
 insert into t1(f1) values(curdate());