diff --git a/copyparty/broker_mp.py b/copyparty/broker_mp.py
index b1da0022..f4d15050 100644
--- a/copyparty/broker_mp.py
+++ b/copyparty/broker_mp.py
@@ -110,7 +110,7 @@ class BrokerMp(object):
                     obj = getattr(obj, node)
 
                 # TODO will deadlock if dest performs another ipc
-                rv = try_exec(obj, *args, want_retval=retq_id)
+                rv = try_exec(retq_id, obj, *args)
 
                 if retq_id:
                     proc.q_pend.put([retq_id, "retq", rv])
diff --git a/copyparty/broker_thr.py b/copyparty/broker_thr.py
index fd7a30c7..189aaffd 100644
--- a/copyparty/broker_thr.py
+++ b/copyparty/broker_thr.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
 # coding: utf-8
 from __future__ import print_function, unicode_literals
 
@@ -39,7 +38,7 @@ class BrokerThr(object):
                 obj = getattr(obj, node)
 
             # TODO will deadlock if dest performs another ipc
-            rv = try_exec(obj, *args, want_retval=want_retval)
+            rv = try_exec(want_retval, obj, *args)
             if not want_retval:
                 return
 
diff --git a/copyparty/broker_util.py b/copyparty/broker_util.py
index 4a36bffc..b635f600 100644
--- a/copyparty/broker_util.py
+++ b/copyparty/broker_util.py
@@ -13,7 +13,7 @@ else:
     from Queue import Queue  # pylint: disable=import-error,no-name-in-module
 
 
-class ExceptionalQueue(Queue):
+class ExceptionalQueue(Queue, object):
     def get(self, block=True, timeout=None):
         rv = super(ExceptionalQueue, self).get(block, timeout)
 
@@ -28,7 +28,7 @@ class ExceptionalQueue(Queue):
         return rv
 
 
-def try_exec(func, *args, want_retval=False):
+def try_exec(want_retval, func, *args):
     try:
         return func(*args)
 
diff --git a/copyparty/httpcli.py b/copyparty/httpcli.py
index e7ede88f..bc4447aa 100644
--- a/copyparty/httpcli.py
+++ b/copyparty/httpcli.py
@@ -633,8 +633,8 @@ class HttpCli(object):
         logues = [None, None]
         for n, fn in enumerate([".prologue.html", ".epilogue.html"]):
             fn = os.path.join(abspath, fn)
-            if os.path.exists(fn):
-                with open(fn, "rb") as f:
+            if os.path.exists(fsenc(fn)):
+                with open(fsenc(fn), "rb") as f:
                     logues[n] = f.read().decode("utf-8")
 
         ts = ""
diff --git a/copyparty/up2k.py b/copyparty/up2k.py
index e7e3f65e..6d744538 100644
--- a/copyparty/up2k.py
+++ b/copyparty/up2k.py
@@ -114,7 +114,9 @@ class Up2k(object):
                 raise Pebkac(400, "at least one hash is not according to spec")
 
         # server-reproducible file identifier, independent of name or location
-        ident = "\n".join([self.salt, str(cj["size"]), *cj["hash"]])
+        ident = [self.salt, str(cj["size"])]
+        ident.extend(cj["hash"])
+        ident = "\n".join(ident)
 
         hasher = hashlib.sha512()
         hasher.update(ident.encode("utf-8"))
diff --git a/copyparty/web/up2k.js b/copyparty/web/up2k.js
index e2f98934..3e89f0b1 100644
--- a/copyparty/web/up2k.js
+++ b/copyparty/web/up2k.js
@@ -164,12 +164,10 @@ function up2k_init(have_crypto) {
 
     var parallel_uploads = cfg('nthread');
 
-    var col_hashing = '#0099ff'; //'#d7d7d7';
-    //var col_hashed    = '#e8a6df'; //'#decb7f';
-    //var col_hashed    = '#0099ff';
-    var col_hashed = '#eeeeee';
+    var col_hashing = '#0099ff';
+    var col_hashed = '#004466';
     var col_uploading = '#ffcc44';
-    var col_uploaded = '#00cc00';
+    var col_uploaded = '#00bb00';
     var fdom_ctr = 0;
     var st = {
         "files": [],
diff --git a/copyparty/web/upload.css b/copyparty/web/upload.css
index efe8ff6f..37fafdde 100644
--- a/copyparty/web/upload.css
+++ b/copyparty/web/upload.css
@@ -137,7 +137,7 @@
 	padding: 0;
 	height: 1.1em;
 	margin-bottom: -.15em;
-	box-shadow: -.1em -.1em .2em inset rgba(0,0,0,0.2);
+	box-shadow: -1px -1px 0 inset rgba(255,255,255,0.1);
 }
 .prog>div>div {
 	width: 0%;