diff --git a/mysql-test/suite/innodb/r/innodb_mysql.result b/mysql-test/suite/innodb/r/innodb_mysql.result
index b418b62ec90..9a677f83080 100644
--- a/mysql-test/suite/innodb/r/innodb_mysql.result
+++ b/mysql-test/suite/innodb/r/innodb_mysql.result
@@ -2538,6 +2538,14 @@ ORDER BY f1 DESC LIMIT 5;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	range	f2,f4	f4	1	NULL	11	Using where
 DROP TABLE t1;
+#
+# Bug#54117 crash in thr_multi_unlock, temporary table
+#
+CREATE TEMPORARY TABLE t1(a INT) ENGINE = InnoDB;
+LOCK TABLES t1 READ;
+ALTER TABLE t1 COMMENT 'test';
+UNLOCK TABLES;
+DROP TABLE t1;
 End of 5.1 tests
 #
 # Test for bug #39932 "create table fails if column for FK is in different
diff --git a/mysql-test/suite/innodb/t/innodb_mysql.test b/mysql-test/suite/innodb/t/innodb_mysql.test
index fcd54075ecc..495d5c014ce 100644
--- a/mysql-test/suite/innodb/t/innodb_mysql.test
+++ b/mysql-test/suite/innodb/t/innodb_mysql.test
@@ -737,6 +737,20 @@ ORDER BY f1 DESC LIMIT 5;
 
 DROP TABLE t1;
 
+
+--echo #
+--echo # Bug#54117 crash in thr_multi_unlock, temporary table
+--echo #
+
+CREATE TEMPORARY TABLE t1(a INT) ENGINE = InnoDB;
+
+LOCK TABLES t1 READ;
+ALTER TABLE t1 COMMENT 'test';
+UNLOCK TABLES;
+
+DROP TABLE t1;
+
+
 --echo End of 5.1 tests
 
 
diff --git a/sql/sql_table.cc b/sql/sql_table.cc
index 902e7fa7b5f..d52e5e0f3e9 100644
--- a/sql/sql_table.cc
+++ b/sql/sql_table.cc
@@ -7331,12 +7331,22 @@ bool mysql_alter_table(THD *thd,char *new_db, char *new_name,
   if (table->s->tmp_table != NO_TMP_TABLE)
   {
     /* Close lock if this is a transactional table */
-    if (thd->lock &&
-        ! (thd->locked_tables_mode == LTM_LOCK_TABLES ||
-           thd->locked_tables_mode == LTM_PRELOCKED_UNDER_LOCK_TABLES))
+    if (thd->lock)
     {
-      mysql_unlock_tables(thd, thd->lock);
-      thd->lock=0;
+      if (thd->locked_tables_mode != LTM_LOCK_TABLES &&
+          thd->locked_tables_mode != LTM_PRELOCKED_UNDER_LOCK_TABLES)
+      {
+        mysql_unlock_tables(thd, thd->lock);
+        thd->lock=0;
+      }
+      else
+      {
+        /*
+          If LOCK TABLES list is not empty and contains this table,
+          unlock the table and remove the table from this list.
+        */
+        mysql_lock_remove(thd, thd->lock, table);
+      }
     }
     /* Remove link to old table and rename the new one */
     close_temporary_table(thd, table, 1, 1);