1 files changed, 9 insertions, 0 deletions
diff --git a/lib/private/Preview/Image.php b/lib/private/Preview/Image.php
index 69841f07929..78a402c636a 100644
--- a/lib/private/Preview/Image.php
+++ b/lib/private/Preview/Image.php
@@ -9,6 +9,8 @@ namespace OC\Preview;
 
 use OCP\Files\File;
 use OCP\IImage;
+use OCP\Server;
+use Psr\Log\LoggerInterface;
 
 abstract class Image extends ProviderV2 {
 	/**
@@ -25,6 +27,13 @@ abstract class Image extends ProviderV2 {
 		$image = new \OCP\Image();
 
 		$fileName = $this->getLocalFile($file);
+		if ($fileName === false) {
+			Server::get(LoggerInterface::class)->error(
+				'Failed to get local file to generate thumbnail for: ' . $file->getPath(),
+				['app' => 'core']
+			);
+			return null;
+		}
 
 		$image->loadFromFile($fileName);
 		$image->fixOrientation();