diff --git a/src/namspace.c b/src/namspace.c
index 6a2832e..6f6e5c7 100644
--- a/src/namspace.c
+++ b/src/namspace.c
@@ -1494,9 +1494,17 @@ static int search_match(struct dirent *dirbuff,
     if (!inode_search) {
       if (namespace == NAME_DOS) {
         if (*name != '.') {
+          uint8 dosalias[14];
           build_dos_83_alias(vol_options, ds->unixname, name,
-                             dirbuff->d_ino, dname, size_dname);
-          flag = fn_dos_match_old(dname, entry, vol_options);
+                             dirbuff->d_ino, dosalias, sizeof(dosalias));
+          flag = fn_dos_match_old(dosalias, entry, vol_options);
+          /*
+           * Keep dname as the real on-disk name.  get_add_new_entry()
+           * appends dname to the parent and stats it; passing the synthetic
+           * DOS alias here makes long-name matches fail with
+           * "nw_search_file_dir:Cannot add entry".  The alias is only for
+           * matching and for the returned INFO_MSK_ENTRY_NAME.
+           */
         }
       } else if (namespace == NAME_OS2) {
         flag = (*name != '.' || (*(name+1) != '.' && *(name+1) != '\0' ))