diff --git a/validator/src/main/java/com/google/daq/mqtt/sequencer/SequenceBase.java b/validator/src/main/java/com/google/daq/mqtt/sequencer/SequenceBase.java
index 22d168ece5..7994a1c006 100644
--- a/validator/src/main/java/com/google/daq/mqtt/sequencer/SequenceBase.java
+++ b/validator/src/main/java/com/google/daq/mqtt/sequencer/SequenceBase.java
@@ -545,7 +545,7 @@ private void recordResult(SequenceResult result, Description description, String
         score, message);
     notice(resultString);
     try (PrintWriter log = new PrintWriter(new FileOutputStream(resultSummary, true))) {
-      log.print(resultString);
+      log.println(resultString);
     } catch (Exception e) {
       throw new RuntimeException("While writing report summary " + resultSummary.getAbsolutePath(),
           e);