@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im>
+ * Copyright (c) 2008-2022 Jonathan Schleifer <js@nil.im>
  *
  * All rights reserved.
  *
  * This file is part of ObjFW. It may be distributed under the terms of the
  * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
@@ -37,10 +37,11 @@
 	size_t digestSize = [class digestSize];
 	const unsigned char *digest;
 	char cString[digestSize * 2];
 
 	[hash updateWithBuffer: self.UTF8String length: self.UTF8StringLength];
+	[hash calculate];
 	digest = hash.digest;
 
 	for (size_t i = 0; i < digestSize; i++) {
 		uint8_t high, low;