diff --git a/lib/awful/layout/init.lua b/lib/awful/layout/init.lua
index 93315a43..e4547393 100644
--- a/lib/awful/layout/init.lua
+++ b/lib/awful/layout/init.lua
@@ -21,6 +21,7 @@ local client = require("awful.client")
 local ascreen = require("awful.screen")
 local timer = require("gears.timer")
 local gmath = require("gears.math")
+local protected_call = require("gears.protected_call")
 
 local function get_screen(s)
     return s and capi.screen[s]
@@ -197,19 +198,22 @@ function layout.arrange(screen)
         if arrange_lock then return end
         arrange_lock = true
 
-        local p = layout.parameters(nil, screen)
+        -- protected call to ensure that arrange_lock will be reset
+        protected_call(function()
+            local p = layout.parameters(nil, screen)
 
-        local useless_gap = p.useless_gap
+            local useless_gap = p.useless_gap
 
-        p.geometries = setmetatable({}, {__mode = "k"})
-        layout.get(screen).arrange(p)
-        for c, g in pairs(p.geometries) do
-            g.width = math.max(1, g.width - c.border_width * 2 - useless_gap * 2)
-            g.height = math.max(1, g.height - c.border_width * 2 - useless_gap * 2)
-            g.x = g.x + useless_gap
-            g.y = g.y + useless_gap
-            c:geometry(g)
-        end
+            p.geometries = setmetatable({}, {__mode = "k"})
+            layout.get(screen).arrange(p)
+            for c, g in pairs(p.geometries) do
+                g.width = math.max(1, g.width - c.border_width * 2 - useless_gap * 2)
+                g.height = math.max(1, g.height - c.border_width * 2 - useless_gap * 2)
+                g.x = g.x + useless_gap
+                g.y = g.y + useless_gap
+                c:geometry(g)
+            end
+        end)
         arrange_lock = false
         delayed_arrange[screen] = nil
 
diff --git a/lib/awful/tag.lua b/lib/awful/tag.lua
index 431e8e6e..17ee0fb1 100644
--- a/lib/awful/tag.lua
+++ b/lib/awful/tag.lua
@@ -240,11 +240,15 @@ end
 -- @return A table with all created tags.
 function tag.new(names, screen, layout)
     screen = get_screen(screen or 1)
+    -- True if `layout` should be used as the layout of each created tag
+    local have_single_layout = (not layout) or (layout.arrange and layout.name)
     local tags = {}
     for id, name in ipairs(names) do
-        table.insert(tags, id, tag.add(name, {screen = screen,
-                                            layout = (layout and layout[id]) or
-                                                        layout}))
+        local l = layout
+        if not have_single_layout then
+            l = layout[id] or layout[1]
+        end
+        table.insert(tags, id, tag.add(name, {screen = screen, layout = l}))
         -- Select the first tag.
         if id == 1 then
             tags[id].selected = true