diff --git a/data/sample.lua b/data/sample.lua
index dd90af29d..6c09442b5 100644
--- a/data/sample.lua
+++ b/data/sample.lua
@@ -245,10 +245,9 @@ end
 function DefinitionList(items)
   local buffer = {}
   for _,item in pairs(items) do
-    for k, v in pairs(item) do
-      table.insert(buffer,"<dt>" .. k .. "</dt>\n<dd>" ..
-                        table.concat(v,"</dd>\n<dd>") .. "</dd>")
-    end
+    local k, v = next(item)
+    table.insert(buffer, "<dt>" .. k .. "</dt>\n<dd>" ..
+                   table.concat(v, "</dd>\n<dd>") .. "</dd>")
   end
   return "<dl>\n" .. table.concat(buffer, "\n") .. "\n</dl>"
 end