@@ -18,10 +18,12 @@
 
 #ifndef OF_HAVE_SOCKETS
 # error No sockets available!
 #endif
 
+OF_ASSUME_NONNULL_BEGIN
+
 /*!
  * @class OFAcceptFailedException \
  *	  OFAcceptFailedException.h ObjFW/OFAcceptFailedException.h
  *
  * @brief An exception indicating that accepting a connection failed.
@@ -60,5 +62,7 @@
  * @return An initialized accept failed exception
  */
 - initWithSocket: (id)socket
 	   errNo: (int)errNo;
 @end
+
+OF_ASSUME_NONNULL_END