diff --git a/mysql-test/suite/sysschema/r/pr_table_exists.result b/mysql-test/suite/sysschema/r/pr_table_exists.result
index 65d7c20c61d..88917418f67 100644
--- a/mysql-test/suite/sysschema/r/pr_table_exists.result
+++ b/mysql-test/suite/sysschema/r/pr_table_exists.result
@@ -42,3 +42,31 @@ ERROR 22001: Data too long for column 'in_db' at row 1
 CALL sys.table_exists('test', @identifier, @exists);
 ERROR 22001: Data too long for column 'in_table' at row 1
 SET @identifier := NULL;
+#
+# MDEV-28391: table_exists procedure fails with
+#             Incorrect table name with backtick identifiers
+#
+CREATE TABLE `ab``c` (t1_id int PRIMARY KEY, t1_val varchar(10));
+CALL sys.table_exists('test', 'ab`c', @tbl_type);
+SELECT @tbl_type;
+@tbl_type
+BASE TABLE
+DROP TABLE `ab``c`;
+CREATE TEMPORARY TABLE `ab``c` (t1_id int PRIMARY KEY, t1_val varchar(10));
+CALL sys.table_exists('test', 'ab`c', @tbl_type);
+SELECT @tbl_type;
+@tbl_type
+TEMPORARY
+DROP TABLE `ab``c`;
+CREATE TABLE `ab``c` (t1_id int PRIMARY KEY, t1_val varchar(10));
+CREATE TEMPORARY TABLE `ab``c` (t1_id int PRIMARY KEY, t1_val varchar(10));
+CALL sys.table_exists('test', 'ab`c', @tbl_type);
+SELECT @tbl_type;
+@tbl_type
+TEMPORARY
+# We cannot send quoted identifer to the procedure, no table will be found
+CALL sys.table_exists('test', '`ab``c`', @tbl_type);
+SELECT @tbl_type;
+@tbl_type
+
+DROP TABLE `ab``c`;
diff --git a/mysql-test/suite/sysschema/t/pr_table_exists.test b/mysql-test/suite/sysschema/t/pr_table_exists.test
index d0c538843b1..83e1dc0b9d9 100644
--- a/mysql-test/suite/sysschema/t/pr_table_exists.test
+++ b/mysql-test/suite/sysschema/t/pr_table_exists.test
@@ -46,3 +46,24 @@ CALL sys.table_exists(@identifier, 't1', @exists);
 CALL sys.table_exists('test', @identifier, @exists);
 
 SET @identifier := NULL;
+
+--echo #
+--echo # MDEV-28391: table_exists procedure fails with
+--echo #             Incorrect table name with backtick identifiers
+--echo #
+CREATE TABLE `ab``c` (t1_id int PRIMARY KEY, t1_val varchar(10));
+CALL sys.table_exists('test', 'ab`c', @tbl_type);
+SELECT @tbl_type;
+DROP TABLE `ab``c`;
+CREATE TEMPORARY TABLE `ab``c` (t1_id int PRIMARY KEY, t1_val varchar(10));
+CALL sys.table_exists('test', 'ab`c', @tbl_type);
+SELECT @tbl_type;
+DROP TABLE `ab``c`;
+CREATE TABLE `ab``c` (t1_id int PRIMARY KEY, t1_val varchar(10));
+CREATE TEMPORARY TABLE `ab``c` (t1_id int PRIMARY KEY, t1_val varchar(10));
+CALL sys.table_exists('test', 'ab`c', @tbl_type);
+SELECT @tbl_type;
+--echo # We cannot send quoted identifer to the procedure, no table will be found
+CALL sys.table_exists('test', '`ab``c`', @tbl_type);
+SELECT @tbl_type;
+DROP TABLE `ab``c`;
\ No newline at end of file
diff --git a/scripts/sys_schema/procedures/table_exists.sql b/scripts/sys_schema/procedures/table_exists.sql
index 8a17e0e19f4..0f7640329e7 100644
--- a/scripts/sys_schema/procedures/table_exists.sql
+++ b/scripts/sys_schema/procedures/table_exists.sql
@@ -133,6 +133,8 @@ CREATE DEFINER='mariadb.sys'@'localhost' PROCEDURE table_exists (
     CONTAINS SQL
 BEGIN
     DECLARE v_error BOOLEAN DEFAULT FALSE;
+    DECLARE db_quoted VARCHAR(64);
+    DECLARE table_quoted VARCHAR(64);
     DECLARE v_table_type VARCHAR(16) DEFAULT '';
     DECLARE v_system_db BOOLEAN
         DEFAULT LOWER(in_db) IN ('information_schema', 'performance_schema');
@@ -140,19 +142,28 @@ BEGIN
     DECLARE CONTINUE HANDLER FOR 1146 SET v_error = TRUE;
 
     SET out_exists = '';
+    SET db_quoted = sys.quote_identifier(in_db);
+    SET table_quoted = sys.quote_identifier(in_table);
 
     -- Verify whether the table name exists as a normal table
     IF (EXISTS(SELECT 1 FROM information_schema.TABLES WHERE TABLE_SCHEMA = in_db AND TABLE_NAME = in_table)) THEN
         -- Unfortunately the only way to determine whether there is also a temporary table is to try to create
         -- a temporary table with the same name. If it succeeds the table didn't exist as a temporary table.
         IF v_system_db = FALSE THEN
-            SET @sys.tmp.table_exists.SQL = CONCAT('CREATE TEMPORARY TABLE `', in_db, '`.`', in_table, '` (id INT PRIMARY KEY)');
+            SET @sys.tmp.table_exists.SQL = CONCAT('CREATE TEMPORARY TABLE ',
+                                                    db_quoted,
+                                                    '.',
+                                                    table_quoted,
+                                                    '(id INT PRIMARY KEY)');
             PREPARE stmt_create_table FROM @sys.tmp.table_exists.SQL;
             EXECUTE stmt_create_table;
             DEALLOCATE PREPARE stmt_create_table;
 
             -- The temporary table was created, i.e. it didn't exist. Remove it again so we don't leave garbage around.
-            SET @sys.tmp.table_exists.SQL = CONCAT('DROP TEMPORARY TABLE `', in_db, '`.`', in_table, '`');
+            SET @sys.tmp.table_exists.SQL = CONCAT('DROP TEMPORARY TABLE ',
+                                                                db_quoted,
+                                                                '.',
+                                                                table_quoted);
             PREPARE stmt_drop_table FROM @sys.tmp.table_exists.SQL;
             EXECUTE stmt_drop_table;
             DEALLOCATE PREPARE stmt_drop_table;
@@ -174,7 +185,10 @@ BEGIN
         -- If it does it's possible to SELECT from the table without causing an error.
         -- If it does not exist even a PREPARE using the table will fail.
         IF v_system_db = FALSE THEN
-            SET @sys.tmp.table_exists.SQL = CONCAT('SELECT COUNT(*) FROM `', in_db, '`.`', in_table, '`');
+            SET @sys.tmp.table_exists.SQL = CONCAT('SELECT COUNT(*) FROM ',
+                                                            db_quoted,
+                                                            '.',
+                                                            table_quoted);
             PREPARE stmt_select FROM @sys.tmp.table_exists.SQL;
             IF (NOT v_error) THEN
                 DEALLOCATE PREPARE stmt_select;