diff --git a/components/ILIAS/ResourceStorage/classes/Setup/DB/UpdateStepsV12.php b/components/ILIAS/ResourceStorage/classes/Setup/DB/UpdateStepsV12.php
new file mode 100644
index 000000000000..d2b063c57e8e
--- /dev/null
+++ b/components/ILIAS/ResourceStorage/classes/Setup/DB/UpdateStepsV12.php
@@ -0,0 +1,40 @@
+<?php
+
+/**
+ * This file is part of ILIAS, a powerful learning management system
+ * published by ILIAS open source e-Learning e.V.
+ *
+ * ILIAS is licensed with the GPL-3.0,
+ * see https://www.gnu.org/licenses/gpl-3.0.en.html
+ * You should have received a copy of said license along with the
+ * source code, too.
+ *
+ * If this is not the case or you just want to try ILIAS, you'll find
+ * us at:
+ * https://www.ilias.de
+ * https://github.com/ILIAS-eLearning
+ *
+ *********************************************************************/
+
+declare(strict_types=1);
+
+namespace ILIAS\ResourceStorage\Setup\DB;
+
+class UpdateStepsV12 implements \ilDatabaseUpdateSteps
+{
+    private \ilDBInterface $db;
+
+    public function prepare(\ilDBInterface $db): void
+    {
+        $this->db = $db;
+    }
+
+    public function step_1(): void
+    {
+        $this->db->modifyTableColumn('il_resource_flavour', 'variant', [
+            'notnull' => false,
+            'length' => 638,
+            'type' => \ilDBConstants::T_TEXT,
+        ]);
+    }
+}
diff --git a/components/ILIAS/ResourceStorage/classes/Setup/class.ilResourceStorageSetupAgent.php b/components/ILIAS/ResourceStorage/classes/Setup/class.ilResourceStorageSetupAgent.php
index b29e61b845b1..87dd4233da11 100755
--- a/components/ILIAS/ResourceStorage/classes/Setup/class.ilResourceStorageSetupAgent.php
+++ b/components/ILIAS/ResourceStorage/classes/Setup/class.ilResourceStorageSetupAgent.php
@@ -25,6 +25,8 @@
 use ILIAS\Setup\Config;
 use ILIAS\Setup\Objective;
 use ILIAS\Setup\ObjectiveCollection;
+use ILIAS\ResourceStorage\Setup\DB\UpdateStepsV12;
+use ILIAS\Setup\Objective\ObjectiveWithPreconditions;
 
 /**
  * Class ilResourceStorageSetupAgent
@@ -65,9 +67,10 @@ public function getUpdateObjective(?Config $config = null): Objective
             new ilDatabaseUpdateStepsExecutedObjective(
                 new ilResourceStorageDB80()
             ),
-            new ilDatabaseUpdateStepsExecutedObjective(
-                new ilResourceStorageDB90()
-            )
+            new ObjectiveWithPreconditions(
+                new ilDatabaseUpdateStepsExecutedObjective(new UpdateStepsV12()),
+                new ilDatabaseUpdateStepsExecutedObjective(new ilResourceStorageDB90()),
+            ),
         );
     }
 
diff --git a/components/ILIAS/ResourceStorage/src/Flavour/Definition/FlavourDefinition.php b/components/ILIAS/ResourceStorage/src/Flavour/Definition/FlavourDefinition.php
index e26ea0311a5b..335863676eda 100755
--- a/components/ILIAS/ResourceStorage/src/Flavour/Definition/FlavourDefinition.php
+++ b/components/ILIAS/ResourceStorage/src/Flavour/Definition/FlavourDefinition.php
@@ -51,7 +51,7 @@ public function getInternalName(): string;
      * such variants must be distinguishable. For example, a variant name may contain "{height}x{width}"
      * if these are configurable values.
      *
-     * The Variant-Name MUST be less than 768 characters long!
+     * The Variant-Name MUST be less than 638 characters long!
      */
     public function getVariantName(): ?string;
 
diff --git a/components/ILIAS/ResourceStorage/src/Flavour/FlavourBuilder.php b/components/ILIAS/ResourceStorage/src/Flavour/FlavourBuilder.php
index ce6f558a7ca8..f9df49ba95ea 100755
--- a/components/ILIAS/ResourceStorage/src/Flavour/FlavourBuilder.php
+++ b/components/ILIAS/ResourceStorage/src/Flavour/FlavourBuilder.php
@@ -44,7 +44,7 @@
  */
 class FlavourBuilder
 {
-    public const VARIANT_NAME_MAX_LENGTH = 768;
+    public const VARIANT_NAME_MAX_LENGTH = 638;
     private array $current_revision_cache = [];
     private array $resources_cache = [];
 
diff --git a/components/ILIAS/ResourceStorage/tests/Flavours/FlavourTest.php b/components/ILIAS/ResourceStorage/tests/Flavours/FlavourTest.php
index b95a422e676b..f8a7c0859dea 100755
--- a/components/ILIAS/ResourceStorage/tests/Flavours/FlavourTest.php
+++ b/components/ILIAS/ResourceStorage/tests/Flavours/FlavourTest.php
@@ -85,7 +85,7 @@ public function testDefinitionVariantNameLengths(): void
         $flavour_definition = $this->createMock(FlavourDefinition::class);
         $flavour_definition->expects($this->exactly(2))
             ->method('getVariantName')
-            ->willReturn(str_repeat('a', 768));
+            ->willReturn(str_repeat('a', 638));
 
         $flavour_builder->has(
             new ResourceIdentification('1'),