diff --git a/SOPE/NGCards/CardElement.m b/SOPE/NGCards/CardElement.m
index a66c41877..445ed4d7c 100644
--- a/SOPE/NGCards/CardElement.m
+++ b/SOPE/NGCards/CardElement.m
@@ -576,6 +576,7 @@
 /* NSMutableCopying */
 - (id) mutableCopyWithZone: (NSZone *) aZone
 {
+#warning this method really is the same as "copyWithZone:"
   CardElement *new;
   NSString *newTag, *newGroup;