diff --git a/lib/private/Files/SimpleFS/SimpleFile.php b/lib/private/Files/SimpleFS/SimpleFile.php
index e9bf0213d0..52b7819694 100644
--- a/lib/private/Files/SimpleFS/SimpleFile.php
+++ b/lib/private/Files/SimpleFS/SimpleFile.php
@@ -146,4 +146,15 @@ class SimpleFile implements ISimpleFile  {
 	public function getMimeType() {
 		return $this->file->getMimeType();
 	}
+
+	/**
+	 * Open the file as stream, resulting resource can be operated as stream like the result from php's own fopen
+	 *
+	 * @return resource
+	 * @throws \OCP\Files\NotPermittedException
+	 * @since 14.0.0
+	 */
+	public function fopen(string $mode) {
+		return $this->file->fopen($mode);
+	}
 }
diff --git a/lib/public/Files/SimpleFS/ISimpleFile.php b/lib/public/Files/SimpleFS/ISimpleFile.php
index cd092056cd..c417db6354 100644
--- a/lib/public/Files/SimpleFS/ISimpleFile.php
+++ b/lib/public/Files/SimpleFS/ISimpleFile.php
@@ -99,4 +99,13 @@ interface ISimpleFile {
 	 * @since 11.0.0
 	 */
 	public function getMimeType();
+
+	/**
+	 * Open the file as stream, resulting resource can be operated as stream like the result from php's own fopen
+	 *
+	 * @return resource
+	 * @throws \OCP\Files\NotPermittedException
+	 * @since 14.0.0
+	 */
+	public function fopen(string $mode);
 }
diff --git a/tests/lib/Files/SimpleFS/SimpleFileTest.php b/tests/lib/Files/SimpleFS/SimpleFileTest.php
index ab4970804a..aec5052cb4 100644
--- a/tests/lib/Files/SimpleFS/SimpleFileTest.php
+++ b/tests/lib/Files/SimpleFS/SimpleFileTest.php
@@ -123,4 +123,12 @@ class SimpleFileTest extends \Test\TestCase  {
 
 		$this->simpleFile->getContent();
 	}
+
+	public function testFopen() {
+		$this->file->expects($this->once())
+			->method('fopen')
+			->with('r+');
+
+		$this->simpleFile->fopen('r+');
+	}
 }