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-rw-r--r--plugins/muc/history.lib.lua2
1 files changed, 1 insertions, 1 deletions
diff --git a/plugins/muc/history.lib.lua b/plugins/muc/history.lib.lua
index 9fad4721..005bd1d8 100644
--- a/plugins/muc/history.lib.lua
+++ b/plugins/muc/history.lib.lua
@@ -12,7 +12,7 @@ local datetime = require "prosody.util.datetime";
local st = require "prosody.util.stanza";
local default_history_length = 20;
-local max_history_length = module:get_option_number("max_history_messages", math.huge);
+local max_history_length = module:get_option_integer("max_history_messages", math.huge, 0);
local function set_max_history_length(_max_history_length)
max_history_length = _max_history_length or math.huge;