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-rw-r--r--conf/lua/regexp/headers.lua2
1 files changed, 1 insertions, 1 deletions
diff --git a/conf/lua/regexp/headers.lua b/conf/lua/regexp/headers.lua
index af7eb5fa7..7a96ee01d 100644
--- a/conf/lua/regexp/headers.lua
+++ b/conf/lua/regexp/headers.lua
@@ -232,7 +232,7 @@ function kmail_msgid (task)
local header_msgid = task:get_header('Message-Id')
if header_msgid then
local header_from = task:get_header('From')
- if re:match(header_from.."|"..header_msgid) then return true end
+ if header_from and re:match(header_from.."|"..header_msgid) then return true end
end
return false
end