diff --git a/plugin/vimspector.vim b/plugin/vimspector.vim
index f6d68c9..3655bb0 100644
--- a/plugin/vimspector.vim
+++ b/plugin/vimspector.vim
@@ -42,7 +42,7 @@ if s:mappings == 'VISUAL_STUDIO'
   nnoremap <C-S-F5>     :call vimspector#Restart()<CR>
   nnoremap <F6>         :call vimspector#Pause()<CR>
   nnoremap <F9>         :call vimspector#ToggleBreakpoint()<CR>
-  nnoremap <S-F9>       :call vimspector#AddFunctionBreakpoint( '<cexpr>' )<CR>
+  nnoremap <S-F9>       :call vimspector#AddFunctionBreakpoint( expand( '<cexpr>' ) )<CR>
   nnoremap <F10>        :call vimspector#StepOver()<CR>
   nnoremap <F11>        :call vimspector#StepInto()<CR>
   nnoremap <S-F11>      :call vimspector#StepOut()<CR>
@@ -52,7 +52,7 @@ elseif s:mappings == 'HUMAN'
   nnoremap <F4>         :call vimspector#Restart()<CR>
   nnoremap <F6>         :call vimspector#Pause()<CR>
   nnoremap <F9>         :call vimspector#ToggleBreakpoint()<CR>
-  nnoremap <F8>         :call vimspector#AddFunctionBreakpoint( '<cexpr>' )<CR>
+  nnoremap <F8>         :call vimspector#AddFunctionBreakpoint( expand( '<cexpr>' ) )<CR>
   nnoremap <F10>        :call vimspector#StepOver()<CR>
   nnoremap <F11>        :call vimspector#StepInto()<CR>
   nnoremap <F12>        :call vimspector#StepOut()<CR>