diff --git a/kolla_ansible/database_shards.py b/kolla_ansible/database_shards.py
index b607e5bbbc..8ffcb7b91f 100644
--- a/kolla_ansible/database_shards.py
+++ b/kolla_ansible/database_shards.py
@@ -121,6 +121,7 @@ def database_shards_info(context, hostnames):
                     raise FilterError("'mariadb_shard_backup_user_prefix' "
                                       "variable is unavailable")
                 db_user = f"{db_backup_prefix}{host_shard_id}"
+                db_password = host.get('mariadb_backup_database_password')
                 user_dict = {'password': db_password, 'user': db_user,
                              'shard_id': host_shard_id}
                 shards_info['users'].append(user_dict)
diff --git a/kolla_ansible/tests/unit/test_database_filters.py b/kolla_ansible/tests/unit/test_database_filters.py
index 947bd3d572..79f6947e4c 100644
--- a/kolla_ansible/tests/unit/test_database_filters.py
+++ b/kolla_ansible/tests/unit/test_database_filters.py
@@ -53,6 +53,7 @@ class TestKollaDatabaseShardsInfoFilter(unittest.TestCase):
         root_prefix = 'root_shard_'
         backup_prefix = 'backup_shard_'
         db_cred = 'SECRET'
+        backup_db_cred = 'SECRET1'
         db_shards = ['0', '1']
 
         context = self._make_context({
@@ -62,6 +63,7 @@ class TestKollaDatabaseShardsInfoFilter(unittest.TestCase):
                     'mariadb_shard_id': db_shards[0],
                     'enable_mariabackup': enable_mariabackup,
                     'database_password': db_cred,
+                    'mariadb_backup_database_password': backup_db_cred,
                     'mariadb_shard_root_user_prefix': root_prefix,
                     'mariadb_shard_backup_user_prefix': backup_prefix,
                 },
@@ -69,6 +71,7 @@ class TestKollaDatabaseShardsInfoFilter(unittest.TestCase):
                     'mariadb_shard_id': db_shards[0],
                     'enable_mariabackup': enable_mariabackup,
                     'database_password': db_cred,
+                    'mariadb_backup_database_password': backup_db_cred,
                     'mariadb_shard_root_user_prefix': root_prefix,
                     'mariadb_shard_backup_user_prefix': backup_prefix,
                 },
@@ -76,6 +79,7 @@ class TestKollaDatabaseShardsInfoFilter(unittest.TestCase):
                     'mariadb_shard_id': db_shards[1],
                     'enable_mariabackup': enable_mariabackup,
                     'database_password': db_cred,
+                    'mariadb_backup_database_password': backup_db_cred,
                     'mariadb_shard_root_user_prefix': root_prefix,
                     'mariadb_shard_backup_user_prefix': backup_prefix,
                 },
@@ -103,7 +107,7 @@ class TestKollaDatabaseShardsInfoFilter(unittest.TestCase):
                     "user": f"{root_prefix}0"
                 },
                 {
-                    "password": db_cred,
+                    "password": backup_db_cred,
                     "shard_id": db_shards[0],
                     "user": f"{backup_prefix}0"
                 },
@@ -113,7 +117,7 @@ class TestKollaDatabaseShardsInfoFilter(unittest.TestCase):
                     "user": f"{root_prefix}1"
                 },
                 {
-                    "password": db_cred,
+                    "password": backup_db_cred,
                     "shard_id": db_shards[1],
                     "user": f"{backup_prefix}1"
                 }
@@ -188,6 +192,7 @@ class TestKollaDatabaseShardsInfoFilter(unittest.TestCase):
         root_prefix_2 = 'batman_shard_'
         backup_prefix = 'backupman_shard_'
         db_cred = 'kRypTonyte'
+        backup_db_cred = 'kRypTonyte1'
         db_shards = ['0', '1']
 
         context = self._make_context({
@@ -197,6 +202,7 @@ class TestKollaDatabaseShardsInfoFilter(unittest.TestCase):
                     'mariadb_shard_id': db_shards[0],
                     'enable_mariabackup': enable_mariabackup,
                     'database_password': db_cred,
+                    'mariadb_backup_database_password': backup_db_cred,
                     'mariadb_shard_root_user_prefix': root_prefix,
                     'mariadb_shard_backup_user_prefix': backup_prefix,
                 },
@@ -204,6 +210,7 @@ class TestKollaDatabaseShardsInfoFilter(unittest.TestCase):
                     'mariadb_shard_id': db_shards[0],
                     'enable_mariabackup': enable_mariabackup,
                     'database_password': db_cred,
+                    'mariadb_backup_database_password': backup_db_cred,
                     'mariadb_shard_root_user_prefix': root_prefix,
                     'mariadb_shard_backup_user_prefix': backup_prefix,
                 },
@@ -211,6 +218,7 @@ class TestKollaDatabaseShardsInfoFilter(unittest.TestCase):
                     'mariadb_shard_id': db_shards[1],
                     'enable_mariabackup': 'no',
                     'database_password': db_cred,
+                    'mariadb_backup_database_password': backup_db_cred,
                     'mariadb_shard_root_user_prefix': root_prefix_2,
                 },
             },
@@ -237,7 +245,7 @@ class TestKollaDatabaseShardsInfoFilter(unittest.TestCase):
                     "user": f"{root_prefix}0"
                 },
                 {
-                    "password": db_cred,
+                    "password": backup_db_cred,
                     "shard_id": db_shards[0],
                     "user": f"{backup_prefix}0"
                 },
diff --git a/releasenotes/notes/Fix-proxysql-mariadb-backup-database-password-54f43ecf102fb897.yaml b/releasenotes/notes/Fix-proxysql-mariadb-backup-database-password-54f43ecf102fb897.yaml
new file mode 100644
index 0000000000..d2cddc5dbd
--- /dev/null
+++ b/releasenotes/notes/Fix-proxysql-mariadb-backup-database-password-54f43ecf102fb897.yaml
@@ -0,0 +1,4 @@
+---
+fixes:
+  - |
+    Fix MariaDB backup if enable_proxysql is enable