diff --git a/autoload/vimwiki/base.vim b/autoload/vimwiki/base.vim
index 8b47656..da21350 100644
--- a/autoload/vimwiki/base.vim
+++ b/autoload/vimwiki/base.vim
@@ -265,7 +265,8 @@ function! vimwiki#base#resolve_link(link_text, ...) abort
       " append extension iff one not already present or it's not the targeted
       " wiki extension - https://github.com/vimwiki/vimwiki/issues/950
       let ext = fnamemodify(link_text, ':e')
-      if ext ==? '' || ext !=? vimwiki#vars#get_wikilocal('ext', link_infos.index)
+      let ext_with_dot = '.' . ext
+      if ext ==? '' || ext_with_dot !=? vimwiki#vars#get_wikilocal('ext', link_infos.index)
         let link_infos.filename .= vimwiki#vars#get_wikilocal('ext', link_infos.index)
       endif
     endif