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-rw-r--r--misc/freeswitch/scripts/common/array.lua3
1 files changed, 2 insertions, 1 deletions
diff --git a/misc/freeswitch/scripts/common/array.lua b/misc/freeswitch/scripts/common/array.lua
index c3cabec..58a6798 100644
--- a/misc/freeswitch/scripts/common/array.lua
+++ b/misc/freeswitch/scripts/common/array.lua
@@ -41,10 +41,11 @@ end
function expand_variable(variable_path, variable_sets)
for index=1, #variable_sets do
local result = try(variable_sets[index], variable_path);
- if result then
+ if result ~= nil then
return result;
end
end
+ return nil;
end
-- replace variables in a string by array values