diff --git a/lib/private/Streamer.php b/lib/private/Streamer.php
index 51c2c923c2352..4e8b796e46aa9 100644
--- a/lib/private/Streamer.php
+++ b/lib/private/Streamer.php
@@ -43,7 +43,7 @@ class Streamer {
 	 * @param int $numberOfFiles The number of files (and directories) that will
 	 *        be included in the streamed file
 	 */
-	public function __construct(IRequest $request, int $size, int $numberOfFiles){
+	public function __construct(IRequest $request, float $size, int $numberOfFiles){
 
 		/**
 		 * zip32 constraints for a basic (without compression, volumes nor