From 0c669778f7225a32fb961e6df46229cb60da7d80 Mon Sep 17 00:00:00 2001
From: Joas Schilling <coding@schilljs.com>
Date: Tue, 20 Sep 2022 13:19:11 +0200
Subject: [PATCH] Fix FFMPEG preview manager

Signed-off-by: Joas Schilling <coding@schilljs.com>
---
 lib/private/PreviewManager.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/private/PreviewManager.php b/lib/private/PreviewManager.php
index e78bdefda8d1f..2a2d139b229ec 100644
--- a/lib/private/PreviewManager.php
+++ b/lib/private/PreviewManager.php
@@ -405,7 +405,7 @@ protected function registerCoreProviders() {
 		// Video requires avconv or ffmpeg
 		if (in_array(Preview\Movie::class, $this->getEnabledDefaultProvider())) {
 			$movieBinary = $this->binaryFinder->findBinaryPath('avconv');
-			if (is_null($movieBinary)) {
+			if ($movieBinary === false) {
 				$movieBinary = $this->binaryFinder->findBinaryPath('ffmpeg');
 			}