diff --git a/src/Api/Upload.php b/src/Api/Upload.php
index 2f822be37b..72e532f6e2 100644
--- a/src/Api/Upload.php
+++ b/src/Api/Upload.php
@@ -84,13 +84,13 @@ public static function chunkSize(): int
 			Str::toBytes(ini_get('post_max_size'))
 		];
 
-		//if server is behind a cloudflare proxy
+		// if server is behind a cloudflare proxy
 		if (isset($_SERVER['HTTP_CF_CONNECTING_IP']) === true) {
 			$max[] = Str::toBytes('100M');
 		}
 
-		// to be sure, only use 90% of the max possible upload size
-		return (int)floor(min($max) * 0.9);
+		// to be sure, only use 95% of the max possible upload size
+		return (int)floor(min($max) * 0.95);
 	}
 
 	/**