diff --git a/autoload/utils.vim b/autoload/utils.vim
index 34ba3fc..c0eab5f 100644
--- a/autoload/utils.vim
+++ b/autoload/utils.vim
@@ -131,3 +131,17 @@ function! utils#MoveSelection(direction) abort
     normal gv
   endif
 endfunction
+
+
+function! utils#Get_titlestr() abort
+  let l:title_str = ''
+  if g:is_linux
+      let l:title_str = hostname() . '  '
+  endif
+  let l:title_str = l:title_str . expand('%:p:~') . '  '
+  if &buflisted
+    let l:title_str = l:title_str . strftime('%Y-%m-%d %H:%M',getftime(expand('%')))
+  endif
+
+  return l:title_str
+endfunction
diff --git a/core/options.vim b/core/options.vim
index 1e918d6..88fb2dd 100644
--- a/core/options.vim
+++ b/core/options.vim
@@ -104,20 +104,7 @@ set autowrite
 " lastmod time is drawn from https://stackoverflow.com/q/8426736/6064933
 set title
 set titlestring=
-set titlestring=%{Get_titlestr()}
-
-function! Get_titlestr() abort
-  let l:title_str = ''
-  if g:is_linux
-      let l:title_str = hostname() . '  '
-  endif
-  let l:title_str = l:title_str . expand('%:p:~') . '  '
-  if &buflisted
-    let l:title_str = l:title_str . strftime('%Y-%m-%d %H:%M',getftime(expand('%')))
-  endif
-
-  return l:title_str
-endfunction
+set titlestring=%{utils#Get_titlestr()}
 
 " Persistent undo even after you close a file and re-open it
 set undofile