diff --git a/autoload/neosnippet/mappings.vim b/autoload/neosnippet/mappings.vim
index 5810e67..bf7ca46 100644
--- a/autoload/neosnippet/mappings.vim
+++ b/autoload/neosnippet/mappings.vim
@@ -47,7 +47,8 @@ function! neosnippet#mappings#completed_expandable() abort "{{{
   endif
 
   let snippet = neosnippet#parser#_get_completed_snippet(
-        \ v:completed_item, neosnippet#util#get_next_text())
+        \ v:completed_item, neosnippet#util#get_cur_text(),
+        \ neosnippet#util#get_next_text())
   return snippet != ''
 endfunction"}}}
 function! s:enabled_completed_snippet() abort "{{{
@@ -170,7 +171,7 @@ endfunction"}}}
 function! s:snippets_expand(cur_text, col) abort "{{{
   if s:enabled_completed_snippet()
     let snippet = neosnippet#parser#_get_completed_snippet(
-          \ v:completed_item, neosnippet#util#get_next_text())
+          \ v:completed_item, a:cur_text, neosnippet#util#get_next_text())
     if snippet != ''
       call neosnippet#view#_insert(snippet, {}, a:cur_text, a:col)
       return 0
diff --git a/autoload/neosnippet/parser.vim b/autoload/neosnippet/parser.vim
index 7c1976d..9f98ad5 100644
--- a/autoload/neosnippet/parser.vim
+++ b/autoload/neosnippet/parser.vim
@@ -298,10 +298,14 @@ function! neosnippet#parser#_initialize_snippet_options() abort "{{{
         \ }
 endfunction"}}}
 
-function! neosnippet#parser#_get_completed_snippet(completed_item, next_text) abort "{{{
+function! neosnippet#parser#_get_completed_snippet(completed_item, cur_text, next_text) abort "{{{
   let item = a:completed_item
 
-  if has_key(item, "snippet")
+  if strridx(a:cur_text, item.word) != len(a:cur_text) - len(item.word)
+    return ''
+  endif
+
+  if has_key(item, 'snippet')
     return item.snippet
   endif
 
diff --git a/test/functions.vim b/test/functions.vim
index f8db058..062a41a 100644
--- a/test/functions.vim
+++ b/test/functions.vim
@@ -36,102 +36,107 @@ function! s:suite.get_completed_snippet() abort
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'foo(', 'abbr' : 'foo()',
         \ 'menu' : '', 'info' : ''
-        \ }, ''), ')${1}')
+        \ }, 'foo(', ''), ')${1}')
+
+  call s:assert.equals(neosnippet#parser#_get_completed_snippet({
+        \ 'word' : 'foo(', 'abbr' : 'foo()',
+        \ 'menu' : '', 'info' : ''
+        \ }, 'foo)', ''), '')
 
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'foo(', 'abbr' : '',
         \ 'menu' : '', 'info' : ''
-        \ }, ''), '${1})${2}')
+        \ }, 'foo(', ''), '${1})${2}')
 
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'foo(', 'abbr' : 'foo(hoge)',
         \ 'menu' : '', 'info' : ''
-        \ }, ''), '${1:#:hoge})${2}')
+        \ }, 'foo(', ''), '${1:#:hoge})${2}')
 
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'foo', 'abbr' : 'foo(hoge)',
         \ 'menu' : '', 'info' : ''
-        \ }, ''), '(${1:#:hoge})${2}')
+        \ }, 'foo', ''), '(${1:#:hoge})${2}')
 
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'foo(', 'abbr' : 'foo(hoge, piyo)',
         \ 'menu' : '', 'info' : ''
-        \ }, ''), '${1:#:hoge}, ${2:#:piyo})${3}')
+        \ }, 'foo(', ''), '${1:#:hoge}, ${2:#:piyo})${3}')
 
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'foo(', 'abbr' : 'foo(hoge, piyo(foobar))',
         \ 'menu' : '', 'info' : ''
-        \ }, ''), '${1:#:hoge}, ${2:#:piyo()})${3}')
+        \ }, 'foo(', ''), '${1:#:hoge}, ${2:#:piyo()})${3}')
 
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'foo(', 'abbr' : 'foo(hoge[, abc])',
         \ 'menu' : '', 'info' : ''
-        \ }, ''), '${1:#:hoge[, abc]})${2}')
+        \ }, 'foo(', ''), '${1:#:hoge[, abc]})${2}')
 
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'foo(', 'abbr' : 'foo(...)',
         \ 'menu' : '', 'info' : ''
-        \ }, ''), '${1:#:...})${2}')
+        \ }, 'foo(', ''), '${1:#:...})${2}')
 
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'foo(', 'abbr' : 'foo(hoge, ...)',
         \ 'menu' : '', 'info' : ''
-        \ }, ''), '${1:#:hoge}${2:#:, ...})${3}')
+        \ }, 'foo(', ''), '${1:#:hoge}${2:#:, ...})${3}')
 
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'foo{', 'abbr' : 'foo{',
         \ 'menu' : '', 'info' : ''
-        \ }, ''), '${1}}${2}')
+        \ }, 'foo{', ''), '${1}}${2}')
 
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'foo{', 'abbr' : 'foo{piyo}',
         \ 'menu' : '', 'info' : ''
-        \ }, ''), '${1:#:piyo}}${2}')
+        \ }, 'foo{', ''), '${1:#:piyo}}${2}')
 
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'Dictionary', 'abbr' : 'Dictionary<Key, Value>(foo)',
         \ 'menu' : '', 'info' : ''
-        \ }, ''), '<${1:#:Key}, ${2:#:Value}>(${3:#:foo})${4}')
+        \ }, 'Dictionary', ''), '<${1:#:Key}, ${2:#:Value}>(${3:#:foo})${4}')
 
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'Dictionary(',
         \ 'abbr' : 'Dictionary<Key, Value> Dictionary(foo)',
         \ 'menu' : '', 'info' : ''
-        \ }, ''), '${1:#:foo})${2}')
+        \ }, 'Dictionary(', ''), '${1:#:foo})${2}')
 
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'Dictionary(', 'abbr' : '',
         \ 'menu' : '', 'info' : ''
-        \ }, '('), '')
+        \ }, 'Dictionary(', '('), '')
 
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'Dictionary(', 'abbr' : 'Dictionary(foo)',
         \ 'menu' : '', 'info' : ''
-        \ }, '('), '')
+        \ }, 'Dictionary(', '('), '')
 
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'Dictionary(', 'abbr' : 'Dictionary(foo)',
         \ 'menu' : '', 'info' : ''
-        \ }, ')'), '${1:#:foo})${2}')
+        \ }, 'Dictionary(', ')'), '${1:#:foo})${2}')
 
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'Dictionary', 'abbr' : 'Dictionary(foo)',
         \ 'menu' : '', 'info' : ''
-        \ }, ''), '(${1:#:foo})${2}')
+        \ }, 'Dictionary', ''), '(${1:#:foo})${2}')
 
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'forEach', 'abbr' : 'forEach(BiConsumer<Object, Object>)',
         \ 'menu' : '', 'info' : ''
-        \ }, ''), '(${1:#:BiConsumer<>})${2}')
+        \ }, 'forEach', ''), '(${1:#:BiConsumer<>})${2}')
 
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'for[', 'abbr' : '',
         \ 'menu' : '', 'info' : ''
-        \ }, ''), '${1}]${2}')
+        \ }, 'for[', ''), '${1}]${2}')
 
   call s:assert.equals(neosnippet#parser#_get_completed_snippet({
         \ 'word' : 'something', 'abbr' : 'something(else)',
         \ 'menu' : '', 'info' : '', 'snippet' : '(${1:custom})${2}'
-        \ }, ''), '(${1:custom})${2}')
+        \ }, 'something', ''), '(${1:custom})${2}')
 endfunction