@@ -28,10 +28,13 @@
 #import "OFNotImplementedException.h"
 
 static struct {
 	Class isa;
 } placeholder;
+
+@interface OFDictionary_placeholder: OFDictionary
+@end
 
 @implementation OFDictionary_placeholder
 - init
 {
 	return (id)[[OFDictionary_hashtable alloc] init];