1 files changed, 2 insertions, 1 deletions

diff --git a/src/mime.lua b/src/mime.lua
index 3182545..eb75db2 100644
--- a/src/mime.lua
+++ b/src/mime.lua
@@ -27,7 +27,8 @@ local function choose(table)
             name, opt1, opt2 = "default", name, opt1
         end
         local f = table[name or "nil"]
-        if not f then error("unknown key (" .. base.tostring(name) .. ")", 3)
+        if not f then 
+            base.error("unknown key (" .. base.tostring(name) .. ")", 3)
         else return f(opt1, opt2) end
     end
 end