@@ -130,11 +130,11 @@
 		if (size > SIZE_MAX)
 			@throw [OFOutOfRangeException
 			    exceptionWithClass: [self class]];
 
 		self = [self initWithItemSize: 1
-				     capacity: size];
+				     capacity: (size_t)size];
 
 		@try {
 			size_t pageSize = [OFSystemInfo pageSize];
 			char *buffer = [self allocMemoryWithSize: pageSize];