diff --git a/src/db/update/Service.cxx b/src/db/update/Service.cxx
index 8b32f0e60..2bd605fad 100644
--- a/src/db/update/Service.cxx
+++ b/src/db/update/Service.cxx
@@ -43,9 +43,7 @@ UpdateService::UpdateService(EventLoop &_loop, SimpleDatabase &_db,
 	:DeferredMonitor(_loop),
 	 db(_db), storage(_storage),
 	 listener(_listener),
-	 update_thread(BIND_THIS_METHOD(Task)),
-	 update_task_id(0),
-	 walk(nullptr)
+	 update_thread(BIND_THIS_METHOD(Task))
 {
 }
 
diff --git a/src/db/update/Service.hxx b/src/db/update/Service.hxx
index 4ca38c52b..b0cbd2d60 100644
--- a/src/db/update/Service.hxx
+++ b/src/db/update/Service.hxx
@@ -46,13 +46,13 @@ class UpdateService final : DeferredMonitor {
 
 	static constexpr unsigned update_task_id_max = 1 << 15;
 
-	unsigned update_task_id;
+	unsigned update_task_id = 0;
 
 	UpdateQueue queue;
 
 	UpdateQueueItem next;
 
-	UpdateWalk *walk;
+	UpdateWalk *walk = nullptr;
 
 public:
 	UpdateService(EventLoop &_loop, SimpleDatabase &_db,