diff --git a/wsd/DocumentBroker.hpp b/wsd/DocumentBroker.hpp
index 9c84b428f..e65702d64 100644
--- a/wsd/DocumentBroker.hpp
+++ b/wsd/DocumentBroker.hpp
@@ -985,7 +985,7 @@ private:
         const std::chrono::milliseconds _autosaveInterval;
 
         /// The maximum time to wait for saving to finish.
-        std::chrono::seconds _savingTimeout;
+        std::chrono::seconds _savingTimeout{};
 
         /// The last autosave check time.
         std::chrono::steady_clock::time_point _lastAutosaveCheckTime;