diff --git a/autoload/nerdtree.vim b/autoload/nerdtree.vim
index 07b9744..539e783 100644
--- a/autoload/nerdtree.vim
+++ b/autoload/nerdtree.vim
@@ -98,7 +98,7 @@ endfunction
 "FUNCTION: nerdtree#treeMarkupReg(dir) {{{2
 function! nerdtree#treeMarkupReg()
     if g:NERDTreeDirArrows
-        return '^\([▼▶] \| \+[▼▶] \| \+\)'
+        return '^\([▾▸] \| \+[▾▸] \| \+\)'
     endif
 
     return '^[ `|]*[\-+~]'
diff --git a/lib/nerdtree/tree_file_node.vim b/lib/nerdtree/tree_file_node.vim
index d9f956e..b4924d7 100644
--- a/lib/nerdtree/tree_file_node.vim
+++ b/lib/nerdtree/tree_file_node.vim
@@ -383,13 +383,13 @@ function! s:TreeFileNode._renderToString(depth, drawText, vertMap, isLastChild)
         if self.path.isDirectory
             if self.isOpen
                 if g:NERDTreeDirArrows
-                    let treeParts = treeParts . '▼ '
+                    let treeParts = treeParts . '▾ '
                 else
                     let treeParts = treeParts . '~'
                 endif
             else
                 if g:NERDTreeDirArrows
-                    let treeParts = treeParts . '▶ '
+                    let treeParts = treeParts . '▸ '
                 else
                     let treeParts = treeParts . '+'
                 endif
diff --git a/lib/nerdtree/ui.vim b/lib/nerdtree/ui.vim
index 418fd2d..ed93d80 100644
--- a/lib/nerdtree/ui.vim
+++ b/lib/nerdtree/ui.vim
@@ -51,7 +51,7 @@ function! s:UI.getPath(ln)
 
     if !g:NERDTreeDirArrows
         " in case called from outside the tree
-        if line !~# '^ *[|`▶▼ ]' || line =~# '^$'
+        if line !~# '^ *[|`▸▾ ]' || line =~# '^$'
             return {}
         endif
     endif
@@ -159,9 +159,9 @@ endfunction
 
 "FUNCTION: s:UI._indentLevelFor(line) {{{2
 function! s:UI._indentLevelFor(line)
-    let level = match(a:line, '[^ \-+~▶▼`|]') / nerdtree#treeWid()
+    let level = match(a:line, '[^ \-+~▸▾`|]') / nerdtree#treeWid()
     " check if line includes arrows
-    if match(a:line, '[▶▼]') > -1
+    if match(a:line, '[▸▾]') > -1
         " decrement level as arrow uses 3 ascii chars
         let level = level - 1
     endif
diff --git a/syntax/nerdtree.vim b/syntax/nerdtree.vim
index 8c32868..5f7b49c 100644
--- a/syntax/nerdtree.vim
+++ b/syntax/nerdtree.vim
@@ -23,12 +23,12 @@ syn match NERDTreeLinkDir #.*/ ->#me=e-3 containedin=NERDTreeDir
 syn match NERDTreeDirSlash #/# containedin=NERDTreeDir
 
 if g:NERDTreeDirArrows
-    syn match NERDTreeClosable #▼# containedin=NERDTreeDir,NERDTreeFile
-    syn match NERDTreeOpenable #▶# containedin=NERDTreeDir,NERDTreeFile
+    syn match NERDTreeClosable #▾# containedin=NERDTreeDir,NERDTreeFile
+    syn match NERDTreeOpenable #▸# containedin=NERDTreeDir,NERDTreeFile
 
-    syn match NERDTreeDir #[^▼▶ ].*/#
+    syn match NERDTreeDir #[^▾▸ ].*/#
     syn match NERDTreeExecFile  #^ .*\*\($\| \)# contains=NERDTreeRO,NERDTreeBookmark
-    syn match NERDTreeFile  #^[^"\.▼▶] *[^▼▶]*# contains=NERDTreeLink,NERDTreeRO,NERDTreeBookmark,NERDTreeExecFile
+    syn match NERDTreeFile  #^[^"\.▾▸] *[^▾▸]*# contains=NERDTreeLink,NERDTreeRO,NERDTreeBookmark,NERDTreeExecFile
 
     "highlighting for readonly files
     syn match NERDTreeRO # *\zs.*\ze \[RO\]# contains=NERDTreeIgnore,NERDTreeBookmark,NERDTreeFile