diff --git a/mysql-test/r/alter_table.result b/mysql-test/r/alter_table.result
index 624cc7afa98..8e61031f8ac 100644
--- a/mysql-test/r/alter_table.result
+++ b/mysql-test/r/alter_table.result
@@ -1340,3 +1340,55 @@ rename table t2 to t1;
 execute stmt1;
 deallocate prepare stmt1;
 drop table t2;
+#
+# MDEV-8960 Can't refer the same column twice in one ALTER TABLE
+#
+CREATE TABLE t1 (
+`a` int(11) DEFAULT NULL
+) DEFAULT CHARSET=utf8;
+ALTER TABLE t1 ADD COLUMN `consultant_id` integer NOT NULL,
+ALTER COLUMN `consultant_id` DROP DEFAULT;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL,
+  `consultant_id` int(11) NOT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=utf8
+DROP TABLE t1;
+CREATE TABLE t1 (
+`a` int(11) DEFAULT NULL
+) DEFAULT CHARSET=utf8;
+ALTER TABLE t1 ADD COLUMN `consultant_id` integer NOT NULL,
+ALTER COLUMN `consultant_id` SET DEFAULT 2;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL,
+  `consultant_id` int(11) NOT NULL DEFAULT '2'
+) ENGINE=MyISAM DEFAULT CHARSET=utf8
+DROP TABLE t1;
+CREATE TABLE t1 (
+`a` int(11) DEFAULT NULL
+) DEFAULT CHARSET=utf8;
+ALTER TABLE t1 ADD COLUMN `consultant_id` integer NOT NULL DEFAULT 2,
+ALTER COLUMN `consultant_id` DROP DEFAULT;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL,
+  `consultant_id` int(11) NOT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=utf8
+DROP TABLE t1;
+CREATE TABLE t1 (
+`a` int(11) DEFAULT NULL
+) DEFAULT CHARSET=utf8;
+ALTER TABLE t1 ADD COLUMN `consultant_id` integer NOT NULL DEFAULT 2,
+ALTER COLUMN `consultant_id` DROP DEFAULT,
+MODIFY COLUMN `consultant_id` BIGINT;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` int(11) DEFAULT NULL,
+  `consultant_id` bigint(20) DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=utf8
+DROP TABLE t1;
diff --git a/mysql-test/t/alter_table.test b/mysql-test/t/alter_table.test
index eade7ba721e..ee9616e233d 100644
--- a/mysql-test/t/alter_table.test
+++ b/mysql-test/t/alter_table.test
@@ -1231,3 +1231,44 @@ execute stmt1;
 deallocate prepare stmt1;
 drop table t2;
 
+--echo #
+--echo # MDEV-8960 Can't refer the same column twice in one ALTER TABLE
+--echo #
+
+CREATE TABLE t1 (
+  `a` int(11) DEFAULT NULL
+) DEFAULT CHARSET=utf8;
+
+ALTER TABLE t1 ADD COLUMN `consultant_id` integer NOT NULL,
+ALTER COLUMN `consultant_id` DROP DEFAULT;
+
+SHOW CREATE TABLE t1;
+DROP TABLE t1;
+
+CREATE TABLE t1 (
+  `a` int(11) DEFAULT NULL
+) DEFAULT CHARSET=utf8;
+
+ALTER TABLE t1 ADD COLUMN `consultant_id` integer NOT NULL,
+ALTER COLUMN `consultant_id` SET DEFAULT 2;
+SHOW CREATE TABLE t1;
+DROP TABLE t1;
+
+CREATE TABLE t1 (
+  `a` int(11) DEFAULT NULL
+) DEFAULT CHARSET=utf8;
+
+ALTER TABLE t1 ADD COLUMN `consultant_id` integer NOT NULL DEFAULT 2,
+ALTER COLUMN `consultant_id` DROP DEFAULT;
+SHOW CREATE TABLE t1;
+DROP TABLE t1;
+
+CREATE TABLE t1 (
+  `a` int(11) DEFAULT NULL
+) DEFAULT CHARSET=utf8;
+
+ALTER TABLE t1 ADD COLUMN `consultant_id` integer NOT NULL DEFAULT 2,
+ALTER COLUMN `consultant_id` DROP DEFAULT,
+MODIFY COLUMN `consultant_id` BIGINT;
+SHOW CREATE TABLE t1;
+DROP TABLE t1;
diff --git a/sql/sql_table.cc b/sql/sql_table.cc
index e6490876352..19093d9b2ca 100644
--- a/sql/sql_table.cc
+++ b/sql/sql_table.cc
@@ -5739,9 +5739,25 @@ mysql_prepare_alter_table(THD *thd, TABLE *table,
   {
     if (def->change && ! def->field)
     {
-      my_error(ER_BAD_FIELD_ERROR, MYF(0), def->change,
-               table->s->table_name.str);
-      goto err;
+      /*
+        Check if there is modify for newly added field.
+      */
+      Create_field *find;
+      find_it.rewind();
+      while((find=find_it++))
+      {
+        if (!my_strcasecmp(system_charset_info,find->field_name, def->field_name))
+          break;
+      }
+
+      if (find && !find->field)
+	find_it.remove();
+      else
+      {
+        my_error(ER_BAD_FIELD_ERROR, MYF(0), def->change,
+                 table->s->table_name.str);
+        goto err;
+      }
     }
     /*
       Check that the DATE/DATETIME not null field we are going to add is
@@ -5793,6 +5809,29 @@ mysql_prepare_alter_table(THD *thd, TABLE *table,
       */
       alter_info->change_level= ALTER_TABLE_DATA_CHANGED;
     }
+    /*
+      Check if there is alter for newly added field.
+    */
+    alter_it.rewind();
+    Alter_column *alter;
+    while ((alter=alter_it++))
+    {
+      if (!my_strcasecmp(system_charset_info,def->field_name, alter->name))
+        break;
+    }
+    if (alter)
+    {
+      if (def->sql_type == MYSQL_TYPE_BLOB)
+      {
+        my_error(ER_BLOB_CANT_HAVE_DEFAULT, MYF(0), def->change);
+        goto err;
+      }
+      if ((def->def=alter->def))              // Use new default
+        def->flags&= ~NO_DEFAULT_VALUE_FLAG;
+      else
+        def->flags|= NO_DEFAULT_VALUE_FLAG;
+      alter_it.remove();
+    }
   }
   if (alter_info->alter_list.elements)
   {