@@ -70,11 +70,11 @@
  * @param right The right object
  * @param context Context passed along for comparing
  * @return The order of the objects
  */
 typedef OFComparisonResult (*OFCompareFunction)(id _Nonnull left,
-    id _Nonnull right, void *context);
+    id _Nonnull right, void *_Nullable context);
 
 #ifdef OF_HAVE_BLOCKS
 /**
  * @brief A comparator to compare two objects.
  *