@@ -20,12 +20,16 @@
 # import <ObjFW/OFArray.h>
 #endif
 
 #import "OFBridging.h"
 
+OF_ASSUME_NONNULL_BEGIN
+
 /*!
  * @category OFArray (NSObject) \
  *	     OFArray+NSObject.h ObjFW-Bridge/OFArray+NSObject.h
  * @brief Support for bridging OFArrays to NSArrays.
  */
 @interface OFArray (NSObject) <OFBridging>
 @end
+
+OF_ASSUME_NONNULL_END