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-rw-r--r--util/stanza.lua3
1 files changed, 3 insertions, 0 deletions
diff --git a/util/stanza.lua b/util/stanza.lua
index 55c38c73..f46d5b30 100644
--- a/util/stanza.lua
+++ b/util/stanza.lua
@@ -434,6 +434,9 @@ local function iq(attr)
end
local function reply(orig)
+ if not is_stanza(orig) then
+ error("bad argument to reply: expected stanza, got "..type(orig));
+ end
return new_stanza(orig.name,
orig.attr and {
to = orig.attr.from,