@@ -43,11 +43,11 @@
 @property (readonly, nonatomic) id socket;
 
 /*!
  * @brief The host to which the connection failed.
  */
-@property (readonly, nonatomic) OFString *host;
+@property OF_NULLABLE_PROPERTY (readonly, nonatomic) OFString *host;
 
 /*!
  * @brief The port on the host to which the connection failed.
  */
 @property (readonly, nonatomic) uint16_t port;
@@ -66,11 +66,11 @@
  * @param port The port on the host to which the connection failed
  * @param socket The socket which could not connect
  * @param errNo The errno of the error that occurred
  * @return A new, autoreleased connection failed exception
  */
-+ (instancetype)exceptionWithHost: (OFString *)host
++ (instancetype)exceptionWithHost: (nullable OFString *)host
 			     port: (uint16_t)port
 			   socket: (id)socket
 			    errNo: (int)errNo;
 
 - (instancetype)init OF_UNAVAILABLE;
@@ -82,12 +82,12 @@
  * @param port The port on the host to which the connection failed
  * @param socket The socket which could not connect
  * @param errNo The errno of the error that occurred
  * @return An initialized connection failed exception
  */
-- (instancetype)initWithHost: (OFString *)host
+- (instancetype)initWithHost: (nullable OFString *)host
 			port: (uint16_t)port
 		      socket: (id)socket
 		       errNo: (int)errNo OF_DESIGNATED_INITIALIZER;
 @end
 
 OF_ASSUME_NONNULL_END