@@ -27,10 +27,12 @@
 
 #import "OFList.h"
 
 #import "OFDictionary.h"
 #import "OFEnumerator.h"
+
+#import "OFNull.h"
 
 #import "OFNumber.h"
 #import "OFDate.h"
 #import "OFURL.h"