diff --git a/src/cache-ct.c b/src/cache-ct.c
index f86d143..11b0543 100644
--- a/src/cache-ct.c
+++ b/src/cache-ct.c
@@ -152,7 +152,7 @@ static int cache_ct_dump_step(void *data1, void *n)
 			     obj->ptr,
 			     NFCT_T_UNKNOWN, 
 			     container->type,
-			     0);
+			     NFCT_OF_ID);
 
 	for (i = 0; i < obj->cache->num_features; i++) {
 		if (obj->cache->features[i]->dump) {