diff --git a/lua/cmp/entry.lua b/lua/cmp/entry.lua
index 1662139..1a6d086 100644
--- a/lua/cmp/entry.lua
+++ b/lua/cmp/entry.lua
@@ -109,12 +109,13 @@ entry.get_word = function(self)
       end
     elseif misc.safe(self.completion_item.insertText) then
       word = str.trim(self.completion_item.insertText)
-      word = str.get_word(word)
+      if self.completion_item.insertTextFormat == types.lsp.InsertTextFormat.Snippet then
+        word = str.get_word(word)
+      end
     else
       word = str.trim(self.completion_item.label)
-      word = str.get_word(word, '')
     end
-    return word
+    return str.oneline(word)
   end)
 end
 
diff --git a/lua/cmp/entry_spec.lua b/lua/cmp/entry_spec.lua
index 3fe049d..08223b4 100644
--- a/lua/cmp/entry_spec.lua
+++ b/lua/cmp/entry_spec.lua
@@ -275,7 +275,7 @@ describe('entry', function()
       insertTextFormat = 1,
       insertText = '__init__(self) -> None:\n  pass',
     })
-    assert.are.equal(e:get_vim_item(e:get_offset()).word, '__init__')
+    assert.are.equal(e:get_vim_item(e:get_offset()).word, '__init__(self) -> None:')
     assert.are.equal(e:get_filter_text(), '__init__')
   end)
 end)
diff --git a/lua/cmp/source_spec.lua b/lua/cmp/source_spec.lua
index ed86888..4f4335e 100644
--- a/lua/cmp/source_spec.lua
+++ b/lua/cmp/source_spec.lua
@@ -1,4 +1,5 @@
 local config = require('cmp.config')
+local async = require('cmp.utils.async')
 local spec = require('cmp.utils.spec')
 
 local source = require('cmp.source')
@@ -85,10 +86,15 @@ describe('source', function()
           })
         end,
       })
+      vim.wait(100, function() return s.status == source.SourceStatus.COMPLETED end, 100, false)
       assert.is.truthy(s:complete(state.input('s'), function() end))
+      vim.wait(100, function() return s.status == source.SourceStatus.COMPLETED end, 100, false)
       assert.is.truthy(s:complete(state.input('p'), function() end))
+      vim.wait(100, function() return s.status == source.SourceStatus.COMPLETED end, 100, false)
       assert.is.truthy(s:complete(state.input('e'), function() end))
+      vim.wait(100, function() return s.status == source.SourceStatus.COMPLETED end, 100, false)
       assert.is.truthy(s:complete(state.input('c'), function() end))
+      vim.wait(100, function() return s.status == source.SourceStatus.COMPLETED end, 100, false)
     end)
   end)
 end)
diff --git a/lua/cmp/utils/async.lua b/lua/cmp/utils/async.lua
index 3484075..ed34b61 100644
--- a/lua/cmp/utils/async.lua
+++ b/lua/cmp/utils/async.lua
@@ -51,5 +51,20 @@ async.dedup = function()
   end
 end
 
+---Wiat for callback.
+---@param runner fun(done: function)
+---@param timeout number
+---@return any
+async.sync = function(runner, timeout)
+  local done = false
+  local res = runner(function()
+    done = true
+  end)
+  vim.wait(timeout or 1000, function()
+    return done
+  end, 100, false)
+  return res
+end
+
 return async
 
diff --git a/lua/cmp/utils/str.lua b/lua/cmp/utils/str.lua
index b50e577..c0eb37d 100644
--- a/lua/cmp/utils/str.lua
+++ b/lua/cmp/utils/str.lua
@@ -13,6 +13,7 @@ INVALID_CHARS[string.byte('[')] = true
 INVALID_CHARS[string.byte(' ')] = true
 INVALID_CHARS[string.byte('\t')] = true
 INVALID_CHARS[string.byte('\n')] = true
+INVALID_CHARS[string.byte('\r')] = true
 
 local PAIR_CHARS = {}
 PAIR_CHARS[string.byte('[')] = string.byte(']')