diff --git a/lib/public/Files/SimpleFS/InMemoryFile.php b/lib/public/Files/SimpleFS/InMemoryFile.php
index 7849b8c879a..d5a0fa160cb 100644
--- a/lib/public/Files/SimpleFS/InMemoryFile.php
+++ b/lib/public/Files/SimpleFS/InMemoryFile.php
@@ -105,7 +105,7 @@ class InMemoryFile implements ISimpleFile {
 	}
 
 	/**
-	 * {@inheritDoc}
+	 * @inheritDoc
 	 * @since 24.0.0
 	 */
 	public function getExtension(): string {
@@ -113,15 +113,15 @@ class InMemoryFile implements ISimpleFile {
 	}
 
 	/**
-	 * Stream reading is unsupported for in memory files.
-	 *
-	 * @throws NotPermittedException
+	 * @inheritDoc
 	 * @since 16.0.0
+	 * @since 34.0.0 - return in-memory stream of contents
 	 */
 	public function read() {
-		throw new NotPermittedException(
-			'Stream reading is unsupported for in memory files'
-		);
+		$stream = fopen('php://memory', 'r+');
+		fwrite($stream, $this->contents);
+		rewind($stream);
+		return $stream;
 	}
 
 	/**
diff --git a/tests/lib/Files/SimpleFS/InMemoryFileTest.php b/tests/lib/Files/SimpleFS/InMemoryFileTest.php
index 62f3c86bb78..25f0a4a4d03 100644
--- a/tests/lib/Files/SimpleFS/InMemoryFileTest.php
+++ b/tests/lib/Files/SimpleFS/InMemoryFileTest.php
@@ -4,7 +4,7 @@ declare(strict_types=1);
 
 /**
  * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
- * SPDX-License-Identifier: AGPL-3.0-only
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace Test\File\SimpleFS;
@@ -14,7 +14,7 @@ use OCP\Files\SimpleFS\InMemoryFile;
 use Test\TestCase;
 
 /**
- * This class provide test casesf or the InMemoryFile.
+ * This class provide test cases for the InMemoryFile.
  *
  * @package Test\File\SimpleFS
  */
@@ -106,13 +106,13 @@ class InMemoryFileTest extends TestCase {
 
 
 	/**
-	 * Asserts that read() raises an NotPermittedException.
-	 *
-	 * @return void
+	 * Ensure that read() returns a stream with the same contents than the original file.
 	 */
 	public function testRead(): void {
-		self::expectException(NotPermittedException::class);
-		$this->testPdf->read();
+		self::assertEquals(
+			file_get_contents(__DIR__ . '/../../../data/test.pdf'),
+			stream_get_contents($this->testPdf->read()),
+		);
 	}
 
 	/**