@@ -116,20 +116,20 @@
  *	  time since 1970-01-01T00:00:00Z.
  *
  * @param seconds The seconds since 1970-01-01T00:00:00Z
  * @return An initialized OFDate with the specified date and time
  */
-- initWithTimeIntervalSince1970: (of_time_interval_t)seconds;
+- (instancetype)initWithTimeIntervalSince1970: (of_time_interval_t)seconds;
 
 /*!
  * @brief Initializes an already allocated OFDate with the specified date and
  *	  time since now.
  *
  * @param seconds The seconds since now
  * @return An initialized OFDate with the specified date and time
  */
-- initWithTimeIntervalSinceNow: (of_time_interval_t)seconds;
+- (instancetype)initWithTimeIntervalSinceNow: (of_time_interval_t)seconds;
 
 /*!
  * @brief Initializes an already allocated OFDate with the specified string in
  *	  the specified format.
  *
@@ -144,12 +144,12 @@
  *
  * @param string The string describing the date
  * @param format The format of the string describing the date
  * @return An initialized OFDate with the specified date and time
  */
-- initWithDateString: (OFString *)string
-	      format: (OFString *)format;
+- (instancetype)initWithDateString: (OFString *)string
+			    format: (OFString *)format;
 
 /*!
  * @brief Initializes an already allocated OFDate with the specified string in
  *	  the specified format.
  *
@@ -162,12 +162,12 @@
  *
  * @param string The string describing the date
  * @param format The format of the string describing the date
  * @return An initialized OFDate with the specified date and time
  */
-- initWithLocalDateString: (OFString *)string
-		   format: (OFString *)format;
+- (instancetype)initWithLocalDateString: (OFString *)string
+				 format: (OFString *)format;
 
 /*!
  * @brief Returns the microsecond of the date.
  *
  * @return The microsecond of the date