@@ -17,11 +17,11 @@
 #include <stdarg.h>
 
 #import "OFObject.h"
 #import "OFCollection.h"
 
-@class OFMutableDictionary;
+@class OFMutableDictionary_hashtable;
 @class OFArray;
 
 #ifdef OF_HAVE_BLOCKS
 typedef void (^of_set_enumeration_block_t)(id object, BOOL *stop);
 typedef BOOL (^of_set_filter_block_t)(id object);
@@ -30,11 +30,11 @@
 /**
  * \brief An unordered set of unique objects.
  */
 @interface OFSet: OFObject <OFCollection, OFCopying, OFMutableCopying>
 {
-	OFMutableDictionary *dictionary;
+	OFMutableDictionary_hashtable *dictionary;
 }
 
 /**
  * \brief Returns a new, autoreleased set.
  *