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-rw-r--r--util/filters.lua6
1 files changed, 4 insertions, 2 deletions
diff --git a/util/filters.lua b/util/filters.lua
index 123226c5..ee0e6bba 100644
--- a/util/filters.lua
+++ b/util/filters.lua
@@ -16,8 +16,10 @@ function initialize(session)
function session.filter(type, data)
local filter_list = filters[type];
- for i = 1, #filter_list do
- data = filter_list[i](data);
+ if filter_list then
+ for i = 1, #filter_list do
+ data = filter_list[i](data);
+ end
end
return data;
end