diff --git a/config/main.vim b/config/main.vim
index c99497ef5..16ad3c849 100644
--- a/config/main.vim
+++ b/config/main.vim
@@ -21,6 +21,13 @@ if has('vim_starting')
   endif
   if !empty($PYTHON3_HOST_PROG)
     let g:python3_host_prog = $PYTHON3_HOST_PROG
+    if !has('nvim') 
+          \ && (has('win16') || has('win32') || has('win64'))
+          \ && exists('&pythonthreedll')
+          \ && exists('&pythonthreehome')
+      let &pythonthreedll = get(split(globpath(fnamemodify($PYTHON3_HOST_PROG, ':h'), 'python*.dll'), '\n'), -1, '')
+      let &pythonthreehome = fnamemodify($PYTHON3_HOST_PROG, ':h')
+    endif
   endif
 endif
 " Detect root directory of SpaceVim