diff --git a/awesomerc.lua b/awesomerc.lua
index d8b900425..9b8ee01c6 100755
--- a/awesomerc.lua
+++ b/awesomerc.lua
@@ -30,7 +30,7 @@ do
 
         naughty.notify({ preset = naughty.config.presets.critical,
                          title = "Oops, an error happened!",
-                         text = err })
+                         text = tostring(err) })
         in_error = false
     end)
 end