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-rw-r--r--util/datamanager.lua1
1 files changed, 1 insertions, 0 deletions
diff --git a/util/datamanager.lua b/util/datamanager.lua
index 83f3dd13..07b2fe4a 100644
--- a/util/datamanager.lua
+++ b/util/datamanager.lua
@@ -152,6 +152,7 @@ local function atomic_store(filename, data)
if not ok then break end
ok, msg = f:close();
+ f = nil; -- no longer valid
if not ok then break end
return os_rename(scratch, filename);