diff --git a/plugin/NERD_tree.vim b/plugin/NERD_tree.vim
index 4932c11..685f9d1 100644
--- a/plugin/NERD_tree.vim
+++ b/plugin/NERD_tree.vim
@@ -4211,20 +4211,19 @@ endfunction
 
 "FUNCTION: s:previewNodeCurrent(node) {{{2
 function! s:previewNodeCurrent(node)
-    call a:node.open({'stay': 1, 'where': 'p'})
+    call a:node.open({'stay': 1, 'where': 'p', 'keepopen': 1})
 endfunction
 
 "FUNCTION: s:previewNodeHSplit(node) {{{2
 function! s:previewNodeHSplit(node)
-    call a:node.open({'stay': 1, 'where': 'h'})
+    call a:node.open({'stay': 1, 'where': 'h', 'keepopen': 1})
 endfunction
 
 "FUNCTION: s:previewNodeVSplit(node) {{{2
 function! s:previewNodeVSplit(node)
-    call a:node.open({'stay': 1, 'where': 'v'})
+    call a:node.open({'stay': 1, 'where': 'v', 'keepopen': 1})
 endfunction
 
-
 " FUNCTION: s:revealBookmark(name) {{{2
 " put the cursor on the node associate with the given name
 function! s:revealBookmark(name)