diff --git a/apps/files_versions/lib/Listener/VersionAuthorListener.php b/apps/files_versions/lib/Listener/VersionAuthorListener.php
index 6f4e6c0ee57fe..b76fc7110f74f 100644
--- a/apps/files_versions/lib/Listener/VersionAuthorListener.php
+++ b/apps/files_versions/lib/Listener/VersionAuthorListener.php
@@ -9,6 +9,7 @@
 namespace OCA\Files_Versions\Listener;
 
 use OC\Files\Node\Folder;
+use OCA\Files_Versions\Sabre\Plugin;
 use OCA\Files_Versions\Versions\IMetadataVersionBackend;
 use OCA\Files_Versions\Versions\IVersionManager;
 use OCP\EventDispatcher\Event;
@@ -48,7 +49,7 @@ public function post_write_hook(Node $node): void {
 		// check if our version manager supports setting the metadata
 		if ($this->versionManager instanceof IMetadataVersionBackend) {
 			$author = $user->getUID();
-			$this->versionManager->setMetadataValue($node, $node->getMTime(), 'author', $author);
+			$this->versionManager->setMetadataValue($node, $node->getMTime(), Plugin::AUTHOR, $author);
 		}
 	}
 }
diff --git a/apps/files_versions/lib/Sabre/Plugin.php b/apps/files_versions/lib/Sabre/Plugin.php
index 10a1896773d63..4b4cb0638bf3d 100644
--- a/apps/files_versions/lib/Sabre/Plugin.php
+++ b/apps/files_versions/lib/Sabre/Plugin.php
@@ -24,6 +24,10 @@
 class Plugin extends ServerPlugin {
 	private Server $server;
 
+	public const LABEL = 'label';
+
+	public const AUTHOR = 'author';
+
 	public const VERSION_LABEL = '{http://nextcloud.org/ns}version-label';
 
 	public const VERSION_AUTHOR = '{http://nextcloud.org/ns}version-author'; // dav property for author
@@ -76,8 +80,8 @@ public function afterGet(RequestInterface $request, ResponseInterface $response)
 
 	public function propFind(PropFind $propFind, INode $node): void {
 		if ($node instanceof VersionFile) {
-			$propFind->handle(self::VERSION_LABEL, fn () => $node->getMetadataValue('label'));
-			$propFind->handle(self::VERSION_AUTHOR, fn () => $node->getMetadataValue('author'));
+			$propFind->handle(self::VERSION_LABEL, fn () => $node->getMetadataValue(self::LABEL));
+			$propFind->handle(self::VERSION_AUTHOR, fn () => $node->getMetadataValue(self::AUTHOR));
 			$propFind->handle(FilesPlugin::HAS_PREVIEW_PROPERTYNAME, fn () => $this->previewManager->isMimeSupported($node->getContentType()));
 		}
 	}
@@ -86,7 +90,7 @@ public function propPatch($path, PropPatch $propPatch): void {
 		$node = $this->server->tree->getNodeForPath($path);
 
 		if ($node instanceof VersionFile) {
-			$propPatch->handle(self::VERSION_LABEL, fn (string $label) => $node->setMetadataValue('label', $label));
+			$propPatch->handle(self::VERSION_LABEL, fn (string $label) => $node->setMetadataValue(self::LABEL, $label));
 		}
 	}
 }