Index: src/OFSet.m
==================================================================
--- src/OFSet.m
+++ src/OFSet.m
@@ -19,10 +19,11 @@
 #include <stdlib.h>
 
 #import "OFSet.h"
 #import "OFSet_hashtable.h"
 #import "OFString.h"
+#import "OFArray.h"
 #import "OFXMLElement.h"
 
 #import "autorelease.h"
 
 static struct {