diff --git a/appinfo/info.xml b/appinfo/info.xml
index 38208a16919..7dea0aa366c 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -18,7 +18,7 @@
 * 🌉 **Sync with other chat solutions** With [Matterbridge](https://github.com/42wim/matterbridge/) being integrated in Talk, you can easily sync a lot of other chat solutions to Nextcloud Talk and vice-versa.
 ]]></description>
 
-	<version>25.0.1</version>
+	<version>25.0.2</version>
 	<licence>AGPL-3.0-or-later</licence>
 
 	<author>Christian Lorang</author>
diff --git a/docs/changelogs/changelog-25.md b/docs/changelogs/changelog-25.md
index 653de841c5b..a1e03fc6b4a 100644
--- a/docs/changelogs/changelog-25.md
+++ b/docs/changelogs/changelog-25.md
@@ -5,6 +5,11 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
+## 25.0.2 – 2026-09-25
+### Fixed
+- fix(migration): Correctly check for Index rather than Constraint
+  [#19540](https://github.com/nextcloud/spreed/pull/19540)
+
 ## 25.0.1 – 2026-09-24
 ### Changed
 - Update dependencies
diff --git a/lib/Migration/Version22001Date20250927174738.php b/lib/Migration/Version22001Date20250927174738.php
index ef752867382..6d9af18647a 100644
--- a/lib/Migration/Version22001Date20250927174738.php
+++ b/lib/Migration/Version22001Date20250927174738.php
@@ -14,6 +14,7 @@
 /**
  * Due to a missing return the migration content was never executed.
  * The changes are reapplied in @see Version25000Date20260923155555
+ * and then again by @see Version25000Date20260925166666
  */
 class Version22001Date20250927174738 extends SimpleMigrationStep {
 }
diff --git a/lib/Migration/Version25000Date20260923155555.php b/lib/Migration/Version25000Date20260923155555.php
index e8447c01ccf..3723fd876bb 100644
--- a/lib/Migration/Version25000Date20260923155555.php
+++ b/lib/Migration/Version25000Date20260923155555.php
@@ -9,35 +9,11 @@
 
 namespace OCA\Talk\Migration;
 
-use Closure;
-use OCP\DB\ISchemaWrapper;
-use OCP\Migration\IOutput;
 use OCP\Migration\SimpleMigrationStep;
-use Override;
 
+/**
+ * Replacing @see Version22001Date20250927174738
+ * Replaced by @see Version25000Date20260925166666
+ */
 class Version25000Date20260923155555 extends SimpleMigrationStep {
-	/**
-	 * @param IOutput $output
-	 * @param Closure(): ISchemaWrapper $schemaClosure
-	 * @param array $options
-	 * @return null|ISchemaWrapper
-	 */
-	#[Override]
-	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
-		/** @var ISchemaWrapper $schema */
-		$schema = $schemaClosure();
-
-		$changed = false;
-		$table = $schema->getTable('talk_thread_attendees');
-		if ($table->hasUniqueConstraint('tta_thread_attendee')) {
-			$table->removeUniqueConstraint('tta_thread_attendee');
-			$changed = true;
-		}
-		if (!$table->hasUniqueConstraint('tta_throom_attendee')) {
-			$table->addUniqueIndex(['thread_id', 'room_id', 'actor_type', 'actor_id'], 'tta_throom_attendee');
-			$changed = true;
-		}
-
-		return $changed ? $schema : null;
-	}
 }
diff --git a/lib/Migration/Version25000Date20260925166666.php b/lib/Migration/Version25000Date20260925166666.php
new file mode 100644
index 00000000000..550610c1d2b
--- /dev/null
+++ b/lib/Migration/Version25000Date20260925166666.php
@@ -0,0 +1,47 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Talk\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+use Override;
+
+/**
+ * Replacing @see Version25000Date20260923155555
+ * and @see Version22001Date20250927174738
+ */
+class Version25000Date20260925166666 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param Closure(): ISchemaWrapper $schemaClosure
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	#[Override]
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$changed = false;
+		$table = $schema->getTable('talk_thread_attendees');
+		if ($table->hasIndex('tta_thread_attendee')) {
+			$table->dropIndex('tta_thread_attendee');
+			$changed = true;
+		}
+		if (!$table->hasIndex('tta_throom_attendee')) {
+			$table->addUniqueIndex(['thread_id', 'room_id', 'actor_type', 'actor_id'], 'tta_throom_attendee');
+			$changed = true;
+		}
+
+		return $changed ? $schema : null;
+	}
+}
diff --git a/package-lock.json b/package-lock.json
index f0b937a7885..d757f777d96 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "talk",
-  "version": "25.0.1",
+  "version": "25.0.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "talk",
-      "version": "25.0.1",
+      "version": "25.0.2",
       "license": "agpl",
       "dependencies": {
         "@matrix-org/olm": "^3.2.15",
diff --git a/package.json b/package.json
index 0bef2f86a07..e73a6a6080b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "talk",
-  "version": "25.0.1",
+  "version": "25.0.2",
   "private": true,
   "description": "",
   "license": "agpl",