diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc
index 5df84d7cd04..7f610854a8e 100644
--- a/storage/innobase/handler/ha_innodb.cc
+++ b/storage/innobase/handler/ha_innodb.cc
@@ -2881,6 +2881,9 @@ innobase_rollback(
 	    || !thd_test_options(thd, OPTION_NOT_AUTOCOMMIT | OPTION_BEGIN)) {
 
 		error = trx_rollback_for_mysql(trx);
+                if (trx_has_prepare_commit_mutex(trx)) {
+                  mysql_mutex_unlock(&prepare_commit_mutex);
+                }
 		trx_deregister_from_2pc(trx);
 	} else {
 		error = trx_rollback_last_sql_stat_for_mysql(trx);