@@ -14,13 +14,17 @@
  * file.
  */
 
 #import "OFException.h"
 
+OF_ASSUME_NONNULL_BEGIN
+
 /*!
  * @class OFInvalidFormatException \
  *	  OFInvalidFormatException.h ObjFW/OFInvalidFormatException.h
  *
  * @brief An exception indicating that the format is invalid.
  */
 @interface OFInvalidFormatException: OFException
 @end
+
+OF_ASSUME_NONNULL_END