diff --git a/plugin/eregex.vim b/plugin/eregex.vim
index 45d8878..68f303e 100644
--- a/plugin/eregex.vim
+++ b/plugin/eregex.vim
@@ -725,7 +725,7 @@ function! s:Ematch(...)
     if v:errmsg ==# ''
         redraw!
     else
-        echo 'M' . a:1
+        echo 'M' . a:2
         echo v:errmsg
     endif