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-rw-r--r--util/pubsub.lua4
1 files changed, 3 insertions, 1 deletions
diff --git a/util/pubsub.lua b/util/pubsub.lua
index 159b16f3..014aaa86 100644
--- a/util/pubsub.lua
+++ b/util/pubsub.lua
@@ -268,7 +268,9 @@ function service:publish(node, actor, id, item)
node_obj = self.nodes[node];
end
local node_data = self.data[node];
- item.attr.publisher = actor;
+ if type(actor) == "string" then
+ item.attr.publisher = actor;
+ end
local ok = node_data:set(id, item);
if not ok then
return nil, "internal-server-error";