diff --git a/lntest/node/harness_node.go b/lntest/node/harness_node.go
index 3a7eba87b6..07cd0c4479 100644
--- a/lntest/node/harness_node.go
+++ b/lntest/node/harness_node.go
@@ -1012,7 +1012,7 @@ func assertNodeShutdown(filename string) error {
 	// TODO(yy): fix the shutdown process and remove this workaround by
 	// refactoring the lnd to use only one rpcclient, which requires quite
 	// some work on the btcwallet front.
-	const linesSize = 1000
+	const linesSize = 2000
 
 	buf := make([]byte, linesSize)
 	stat, statErr := file.Stat()