diff --git a/src/lib/nfs/Blocking.cxx b/src/lib/nfs/Blocking.cxx
index 7faa0549c..1599b786b 100644
--- a/src/lib/nfs/Blocking.cxx
+++ b/src/lib/nfs/Blocking.cxx
@@ -22,6 +22,8 @@
 #include "Connection.hxx"
 #include "event/Call.hxx"
 
+constexpr std::chrono::steady_clock::duration BlockingNfsOperation::timeout;
+
 void
 BlockingNfsOperation::Run()
 {
diff --git a/src/lib/nfs/Blocking.hxx b/src/lib/nfs/Blocking.hxx
index 2c23ad057..ab9d07e2a 100644
--- a/src/lib/nfs/Blocking.hxx
+++ b/src/lib/nfs/Blocking.hxx
@@ -36,7 +36,8 @@ class NfsConnection;
  * thread, and method Run() waits for completion.
  */
 class BlockingNfsOperation : protected NfsCallback, NfsLease {
-	static constexpr unsigned timeout_ms = 60000;
+	static constexpr std::chrono::steady_clock::duration timeout =
+		std::chrono::minutes(1);
 
 	Mutex mutex;
 	Cond cond;
@@ -61,7 +62,7 @@ private:
 	bool LockWaitFinished() {
 		const ScopeLock protect(mutex);
 		while (!finished)
-			if (!cond.timed_wait(mutex, timeout_ms))
+			if (!cond.timed_wait(mutex, timeout))
 				return false;
 
 		return true;
diff --git a/src/neighbor/plugins/SmbclientNeighborPlugin.cxx b/src/neighbor/plugins/SmbclientNeighborPlugin.cxx
index ce076f2fd..95e4dd3fc 100644
--- a/src/neighbor/plugins/SmbclientNeighborPlugin.cxx
+++ b/src/neighbor/plugins/SmbclientNeighborPlugin.cxx
@@ -251,7 +251,7 @@ SmbclientNeighborExplorer::ThreadFunc()
 			break;
 
 		// TODO: sleep for how long?
-		cond.timed_wait(mutex, 10000);
+		cond.timed_wait(mutex, std::chrono::seconds(10));
 	}
 
 	mutex.unlock();