@@ -22,11 +22,11 @@
 #import "OFInvalidArgumentException.h"
 
 int _OFNumber_NSObject_reference;
 
 @implementation OFNumber (NSObject)
-- (id)NSObject
+- (NSNumber *)NSObject
 {
 	const char *type = self.objCType;
 
 	if (strcmp(type, "B") == 0)
 		return [NSNumber numberWithBool: self.boolValue];