@@ -17,10 +17,11 @@
 #import "OFObject.h"
 #import "OFBlock.h"
 
 #import "OFAutoreleasePool.h"
 #import "OFString.h"
+#import "OFCharacterSet.h"
 
 #import "OFData.h"
 #import "OFArray.h"
 
 #import "OFList.h"