diff --git a/lib/Doctrine/ORM/Tools/SchemaTool.php b/lib/Doctrine/ORM/Tools/SchemaTool.php
index 87653f8460..1a7e3b14ea 100644
--- a/lib/Doctrine/ORM/Tools/SchemaTool.php
+++ b/lib/Doctrine/ORM/Tools/SchemaTool.php
@@ -728,6 +728,24 @@ private function gatherRelationJoinColumns(
                     $columnOptions['precision'] = $fieldMapping['precision'];
                 }
 
+                $theJoinTableCharset = $theJoinTable->hasOption('charset') ? $theJoinTable->getOption('charset') : null;
+                if (
+                    ! isset($columnOptions['customSchemaOptions']['charset'])
+                    && isset($class->table['options']['charset'])
+                    && $theJoinTableCharset !== $class->table['options']['charset']
+                ) {
+                    $columnOptions['customSchemaOptions']['charset'] = $class->table['options']['charset'];
+                }
+
+                $theJoinTableCollation = $theJoinTable->hasOption('collation') ? $theJoinTable->getOption('collation') : null;
+                if (
+                    ! isset($columnOptions['customSchemaOptions']['collation'])
+                    && isset($class->table['options']['collation'])
+                    && $theJoinTableCollation !== $class->table['options']['collation']
+                ) {
+                    $columnOptions['customSchemaOptions']['collation'] = $class->table['options']['collation'];
+                }
+
                 $theJoinTable->addColumn($quotedColumnName, $fieldMapping['type'], $columnOptions);
             }
 
diff --git a/tests/Doctrine/Tests/ORM/Functional/Ticket/GH6823Test.php b/tests/Doctrine/Tests/ORM/Functional/Ticket/GH6823Test.php
new file mode 100644
index 0000000000..bc095baa95
--- /dev/null
+++ b/tests/Doctrine/Tests/ORM/Functional/Ticket/GH6823Test.php
@@ -0,0 +1,103 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Tests\ORM\Functional\Ticket;
+
+use Doctrine\DBAL\Platforms\AbstractPlatform;
+use Doctrine\DBAL\Platforms\MySQLPlatform;
+use Doctrine\ORM\Mapping\Column;
+use Doctrine\ORM\Mapping\Entity;
+use Doctrine\ORM\Mapping\Id;
+use Doctrine\ORM\Mapping\ManyToOne;
+use Doctrine\ORM\Mapping\Table;
+use Doctrine\Tests\OrmFunctionalTestCase;
+
+class GH6823Test extends OrmFunctionalTestCase
+{
+    public function testCharsetCollationWhenCreatingForeignRelations(): void
+    {
+        if (! $this->_em->getConnection()->getDatabasePlatform() instanceof MySQLPlatform) {
+            self::markTestSkipped('This test is useful for all databases, but designed only for mysql.');
+        }
+
+        if (method_exists(AbstractPlatform::class, 'getGuidExpression')) {
+            self::markTestSkipped('Test valid for doctrine/dbal:3.x only.');
+        }
+
+        $this->createSchemaForModels(
+            GH6823User::class,
+            GH6823Group::class,
+            GH6823Status::class
+        );
+
+        self::assertSQLEquals('CREATE TABLE gh6823_user (id VARCHAR(255) NOT NULL, group_id VARCHAR(255) CHARACTER SET ascii DEFAULT NULL COLLATE `ascii_general_ci`, status_id VARCHAR(255) CHARACTER SET latin1 DEFAULT NULL COLLATE `latin1_bin`, INDEX idx_70dd1774fe54d947 (group_id), INDEX idx_70dd17746bf700bd (status_id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE `utf8mb4_bin` ENGINE = InnoDB', $this->getLastLoggedQuery(4)['sql']);
+        self::assertSQLEquals('CREATE TABLE gh6823_group (id VARCHAR(255) NOT NULL, PRIMARY KEY(id)) DEFAULT CHARACTER SET ascii COLLATE `ascii_general_ci` ENGINE = InnoDB', $this->getLastLoggedQuery(3)['sql']);
+        self::assertSQLEquals('CREATE TABLE gh6823_status (id VARCHAR(255) CHARACTER SET latin1 NOT NULL COLLATE `latin1_bin`, PRIMARY KEY(id)) DEFAULT CHARACTER SET koi8r COLLATE `koi8r_bin` ENGINE = InnoDB', $this->getLastLoggedQuery(2)['sql']);
+        self::assertSQLEquals('ALTER TABLE gh6823_user ADD CONSTRAINT fk_70dd1774fe54d947 FOREIGN KEY (group_id) REFERENCES gh6823_group (id)', $this->getLastLoggedQuery(1)['sql']);
+        self::assertSQLEquals('ALTER TABLE gh6823_user ADD CONSTRAINT fk_70dd17746bf700bd FOREIGN KEY (status_id) REFERENCES gh6823_status (id)', $this->getLastLoggedQuery(0)['sql']);
+    }
+}
+
+/**
+ * @Entity
+ * @Table(name="gh6823_user", options={
+ *     "charset"="utf8mb4",
+ *     "collation"="utf8mb4_bin"
+ * })
+ */
+class GH6823User
+{
+    /**
+     * @var string
+     * @Id
+     * @Column(type="string")
+     */
+    public $id;
+
+    /**
+     * @var GH6823Group
+     * @ManyToOne(targetEntity="GH6823Group")
+     */
+    public $group;
+
+    /**
+     * @var GH6823Status
+     * @ManyToOne(targetEntity="GH6823Status")
+     */
+    public $status;
+}
+
+/**
+ * @Entity
+ * @Table(name="gh6823_group", options={
+ *     "charset"="ascii",
+ *     "collation"="ascii_general_ci"
+ * })
+ */
+class GH6823Group
+{
+    /**
+     * @var string
+     * @Id
+     * @Column(type="string")
+     */
+    public $id;
+}
+
+/**
+ * @Entity
+ * @Table(name="gh6823_status", options={
+ *     "charset"="koi8r",
+ *     "collation"="koi8r_bin"
+ * })
+ */
+class GH6823Status
+{
+    /**
+     * @var string
+     * @Id
+     * @Column(type="string", options={"charset"="latin1", "collation"="latin1_bin"})
+     */
+    public $id;
+}