diff --git a/copyparty/web/browser.js b/copyparty/web/browser.js
index 7ee15ba7..1a506f9d 100644
--- a/copyparty/web/browser.js
+++ b/copyparty/web/browser.js
@@ -493,6 +493,7 @@ var Ls = {
 		"u_etaprep": '(preparing to upload)',
 		"u_hashdone": 'hashing done',
 		"u_hashing": 'hash',
+		"u_dupdefer": "duplicate; will be processed after all other files",
 		"u_fixed": "OK!  Fixed it 👍",
 		"u_cuerr": "failed to upload chunk {0} of {1};\nprobably harmless, continuing\n\nfile: {2}",
 		"u_cuerr2": "server rejected upload (chunk {0} of {1});\nwill retry later\n\nfile: {2}\n\nerror ",
@@ -1029,6 +1030,7 @@ var Ls = {
 		"u_etaprep": '(forbereder opplastning)',
 		"u_hashdone": 'befaring ferdig',
 		"u_hashing": 'les',
+		"u_dupdefer": "duplikat; vil bli håndtert til slutt",
 		"u_fixed": "OK!  Løste seg 👍",
 		"u_cuerr": "kunne ikke laste opp del {0} av {1};\nsikkert greit, fortsetter\n\nfil: {2}",
 		"u_cuerr2": "server nektet opplastningen (del {0} av {1});\nprøver igjen senere\n\nfil: {2}\n\nerror ",
@@ -1565,6 +1567,7 @@ var Ls = {
 		"u_etaprep": '(准备上传)',
 		"u_hashdone": '哈希完成',
 		"u_hashing": '哈希',
+		"u_dupdefer": "这是一个重复文件。它将在所有其他文件上传后进行处理", //m
 		"u_fixed": "好！ 已修复 👍",
 		"u_cuerr": "上传块 {0} 的 {1} 失败；\n可能无害，继续中\n\n文件：{2}",
 		"u_cuerr2": "服务器拒绝上传（块 {0} 的 {1}）；\n稍后重试\n\n文件：{2}\n\n错误 ",
diff --git a/copyparty/web/up2k.js b/copyparty/web/up2k.js
index b031973e..947d3a67 100644
--- a/copyparty/web/up2k.js
+++ b/copyparty/web/up2k.js
@@ -156,6 +156,7 @@ function U2pvis(act, btns, uc, st) {
         'ERROR': '<span class="err">ERROR</span>',
         'OS-error': '<span class="err">OS-error</span>',
         'found': '<span class="inf">found</span>',
+        'defer': '<span class="inf">defer</span>',
         'YOLO': '<span class="inf">YOLO</span>',
         'done': '<span class="ok">done</span>',
     };
@@ -2460,6 +2461,7 @@ function up2k_init(subtle) {
                 pvis.seth(t.n, 2, L.u_ehstmp, t);
 
                 var err = "",
+                    cls = "ERROR",
                     rsp = unpre(xhr.responseText),
                     ofs = rsp.lastIndexOf('\nURL: ');
 
@@ -2489,6 +2491,8 @@ function up2k_init(subtle) {
                     if (!t.rechecks && (err_pend || err_srcb)) {
                         t.rechecks = 0;
                         t.want_recheck = true;
+                        err = L.u_dupdefer;
+                        cls = 'defer';
                     }
                 }
                 if (rsp.indexOf('server HDD is full') + 1)
@@ -2498,7 +2502,7 @@ function up2k_init(subtle) {
                     if (!t.t_uploading)
                         st.bytes.finished += t.size;
 
-                    pvis.seth(t.n, 1, "ERROR");
+                    pvis.seth(t.n, 1, cls);
                     pvis.seth(t.n, 2, err);
                     pvis.move(t.n, 'ng');