diff --git a/libmproxy/console/__init__.py b/libmproxy/console/__init__.py
index 10c189e53..1b69d255c 100644
--- a/libmproxy/console/__init__.py
+++ b/libmproxy/console/__init__.py
@@ -122,7 +122,7 @@ class StatusBar(common.WWrap):
         if self.master.replacehooks.count():
             r.append("[")
             r.append(("heading_key", "R"))
-            r.append("eplace]")
+            r.append("eplacing]")
         if self.master.client_playback:
             r.append("[")
             r.append(("heading_key", "cplayback"))
@@ -547,8 +547,8 @@ class ConsoleMaster(flow.FlowMaster):
         self.header = None
         self.make_view()
 
-    def view_grideditor(self, title, columns, value, callback, *args, **kwargs):
-        self.body = grideditor.GridEditor(self, title, columns, value, callback, *args, **kwargs)
+    def view_grideditor(self, ge):
+        self.body = ge
         self.header = None
         self.help_context = grideditor.help_context
         self.statusbar = StatusBar(self, self.footer_text_help)
@@ -710,7 +710,9 @@ class ConsoleMaster(flow.FlowMaster):
             self.view_flowlist()
 
     def set_replace(self, r):
-        pass
+        self.replacehooks.clear()
+        for i in r:
+            self.replacehooks.add(*i)
 
     def loop(self):
         changed = True
@@ -791,10 +793,11 @@ class ConsoleMaster(flow.FlowMaster):
                                 self.sync_list_view()
                             elif k == "R":
                                 self.view_grideditor(
-                                    "Editing replacements",
-                                    3,
-                                    self.replacehooks.get_specs(),
-                                    self.set_replace
+                                    grideditor.ReplaceEditor(
+                                        self,
+                                        self.replacehooks.get_specs(),
+                                        self.set_replace
+                                    )
                                 )
                             elif k == "s":
                                 if self.script:
@@ -934,3 +937,6 @@ class ConsoleMaster(flow.FlowMaster):
             self.process_flow(f, r)
         return f
 
+
+
+
diff --git a/libmproxy/console/flowview.py b/libmproxy/console/flowview.py
index 5044990b1..b26c260fc 100644
--- a/libmproxy/console/flowview.py
+++ b/libmproxy/console/flowview.py
@@ -15,7 +15,7 @@
 
 import os, re
 import urwid
-import common
+import common, grideditor
 from .. import utils, encoding, flow
 
 def _mkhelp():
@@ -395,7 +395,9 @@ class ConnectionView(common.WWrap):
         conn.set_form_urlencoded(flow.ODict(lst))
 
     def edit_form(self, conn):
-        self.master.view_grideditor("Editing form", 2, conn.get_form_urlencoded().lst, self.set_form, conn)
+        self.master.view_grideditor(
+            grideditor.URLEncodedFormEditor(self.master, conn.get_form_urlencoded().lst, self.set_form, conn)
+        )
 
     def edit_form_confirm(self, key, conn):
         if key == "y":
@@ -427,9 +429,9 @@ class ConnectionView(common.WWrap):
             else:
                 self.edit_form(conn)
         elif part == "h":
-            self.master.view_grideditor("Editing headers", 2, conn.headers.lst, self.set_headers, conn)
+            self.master.view_grideditor(grideditor.HeaderEditor(self.master, conn.headers.lst, self.set_headers, conn))
         elif part == "q":
-            self.master.view_grideditor("Editing query", 2, conn.get_query().lst, self.set_query, conn)
+            self.master.view_grideditor(grideditor.QueryEditor(self.master, conn.get_query().lst, self.set_query, conn))
         elif part == "u" and self.state.view_flow_mode == common.VIEW_FLOW_REQUEST:
             self.master.prompt_edit("URL", conn.get_url(), self.set_url)
         elif part == "m" and self.state.view_flow_mode == common.VIEW_FLOW_REQUEST:
diff --git a/libmproxy/console/grideditor.py b/libmproxy/console/grideditor.py
index 19fa43749..120a9ce15 100644
--- a/libmproxy/console/grideditor.py
+++ b/libmproxy/console/grideditor.py
@@ -81,7 +81,7 @@ class GridItem(common.WWrap):
                 )
 
         fspecs = self.fields[:]
-        fspecs[0] = ("fixed", maxk + 2, fspecs[0]) 
+        fspecs[0] = ("fixed", maxk + 2, fspecs[0])
 
         w = urwid.Columns(
             fspecs,
@@ -205,12 +205,11 @@ class GridListBox(urwid.ListBox):
 
 
 class GridEditor(common.WWrap):
-    def __init__(self, master, title, columns, value, callback, *cb_args, **cb_kwargs):
+    def __init__(self, master, value, callback, *cb_args, **cb_kwargs):
         value = copy.deepcopy(value)
-        self.master, self.title, self.value, self.callback = master, title, value, callback
-        self.columns = columns
+        self.master, self.value, self.callback = master, value, callback
         self.cb_args, self.cb_kwargs = cb_args, cb_kwargs
-        p = urwid.Text(title)
+        p = urwid.Text(self.title)
         p = urwid.Padding(p, align="left", width=("relative", 100))
         p = urwid.AttrWrap(p, "heading")
         self.walker = GridWalker(self.value, self)
@@ -273,3 +272,24 @@ class GridEditor(common.WWrap):
             self.walker.start_edit()
         else:
             return self.w.keypress(size, key)
+
+
+class QueryEditor(GridEditor):
+    title = "Editing query"
+    columns = 2
+
+
+class HeaderEditor(GridEditor):
+    title = "Editing headers"
+    columns = 2
+
+
+class URLEncodedFormEditor(GridEditor):
+    title = "Editing URL-encoded form"
+    columns = 2
+
+
+class ReplaceEditor(GridEditor):
+    title = "Editing replacement patterns"
+    columns = 3
+
diff --git a/libmproxy/utils.py b/libmproxy/utils.py
index f7cf5f32f..02bc49cbf 100644
--- a/libmproxy/utils.py
+++ b/libmproxy/utils.py
@@ -130,6 +130,7 @@ def urlencode(s):
     """
         Takes a list of (key, value) tuples and returns a urlencoded string.
     """
+    s = [tuple(i) for i in s]
     return urllib.urlencode(s, False)