diff --git a/lib/import b/lib/import
index 6e8b079..a7463d6 100755
--- a/lib/import
+++ b/lib/import
@@ -96,7 +96,7 @@ for ldif_path in args.ldifs:
                             modlist.append((ldap.MOD_ADD, key, list(new-old)))
                     else:
                         modlist.append((ldap.MOD_REPLACE, key, list(new)))
-                else:
+                elif new:
                     modlist.append((ldap.MOD_ADD, key, list(new)))
             if modlist:
                 modifies.append((dn, modlist))