@@ -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
@@ -208,11 +208,13 @@
 	    [[mutableArray1 objectAtIndex: 1] isEqual: cArray[0]] &&
 	    [[mutableArray1 objectAtIndex: 2] isEqual: cArray[2]])
 
 	TEST(@"-[removeObject:]",
 	    R([mutableArray1 removeObject: cArray[0]]) &&
-	    mutableArray1.count == 2)
+	    mutableArray1.count == 1)
+
+	[mutableArray1 addObject: cArray[0]];
 
 	TEST(@"-[removeObjectIdenticalTo:]",
 	    R([mutableArray1 removeObjectIdenticalTo: cArray[2]]) &&
 	    mutableArray1.count == 1)