diff --git a/lua/telescope/pickers.lua b/lua/telescope/pickers.lua
index 42e37d9..1c0ce67 100644
--- a/lua/telescope/pickers.lua
+++ b/lua/telescope/pickers.lua
@@ -84,9 +84,8 @@ function Picker:new(opts)
     cwd = opts.cwd,
 
     _find_id = 0,
-    _completion_callbacks = {},
-    manager = (type(opts.manager) == "table" and getmetatable(opts.manger) == getmetatable(EntryManager))
-      and opts.manager,
+    _completion_callbacks = type(opts._completion_callbacks) == "table" and opts._completion_callbacks or {},
+    manager = (type(opts.manager) == "table" and getmetatable(opts.manager) == EntryManager) and opts.manager,
     _multi = (type(opts._multi) == "table" and getmetatable(opts._multi) == getmetatable(MultiSelect:new()))
         and opts._multi
       or MultiSelect:new(),
@@ -97,6 +96,7 @@ function Picker:new(opts)
     attach_mappings = opts.attach_mappings,
     file_ignore_patterns = get_default(opts.file_ignore_patterns, config.values.file_ignore_patterns),
 
+    scroll_strategy = get_default(opts.scroll_strategy, config.values.scroll_strategy),
     sorting_strategy = get_default(opts.sorting_strategy, config.values.sorting_strategy),
     selection_strategy = get_default(opts.selection_strategy, config.values.selection_strategy),
 
@@ -104,9 +104,15 @@ function Picker:new(opts)
     layout_config = config.smarter_depth_2_extend(opts.layout_config or {}, config.values.layout_config or {}),
 
     window = {
-      winblend = get_default(opts.winblend, config.values.winblend),
-      border = get_default(opts.border, config.values.border),
-      borderchars = get_default(opts.borderchars, config.values.borderchars),
+      winblend = get_default(
+        opts.winblend,
+        type(opts.window) == "table" and opts.window.winblend or config.values.winblend
+      ),
+      border = get_default(opts.border, type(opts.window) == "table" and opts.window.border or config.values.border),
+      borderchars = get_default(
+        opts.borderchars,
+        type(opts.window) == "table" and opts.window.borderchars or config.values.borderchars
+      ),
     },
 
     cache_picker = config.resolve_table_opts(opts.cache_picker, vim.deepcopy(config.values.cache_picker)),
@@ -124,10 +130,7 @@ function Picker:new(opts)
   end
 
   -- TODO: It's annoying that this is create and everything else is "new"
-  obj.scroller = p_scroller.create(
-    get_default(opts.scroll_strategy, config.values.scroll_strategy),
-    obj.sorting_strategy
-  )
+  obj.scroller = p_scroller.create(obj.scroll_strategy, obj.sorting_strategy)
 
   obj.highlighter = p_highlighter.new(obj)