diff --git a/etc/afpd/dircache.c b/etc/afpd/dircache.c
index 4a25e41ef0d..b1a5ee904ad 100644
--- a/etc/afpd/dircache.c
+++ b/etc/afpd/dircache.c
@@ -434,6 +434,10 @@ int dircache_add(const struct vol *vol,
     struct dir key;
     hnode_t *hn;
 
+    LOG(log_error, logtype_afpd,
+        "dircache_add(): did:%u is less than the allowed %d. Data in \"%s\" may be invalid.",
+        ntohl(dir->d_did), CNID_START, cfrombstr(dir->d_u_name));
+
     AFP_ASSERT(dir);
     AFP_ASSERT(ntohl(dir->d_pdid) >= 2);
     AFP_ASSERT(ntohl(dir->d_did) >= CNID_START);