@@ -19,10 +19,12 @@
 #import "OFUnsupportedProtocolException.h"
 #import "OFString.h"
 #import "OFURL.h"
 
 #import "OFNotImplementedException.h"
+
+#import "common.h"
 
 @implementation OFUnsupportedProtocolException
 + exceptionWithClass: (Class)class_
 		 URL: (OFURL*)url
 {