diff --git a/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/freon/RandomKeyGenerator.java b/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/freon/RandomKeyGenerator.java
index 5d72f5577e..d85b829e43 100644
--- a/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/freon/RandomKeyGenerator.java
+++ b/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/freon/RandomKeyGenerator.java
@@ -269,7 +269,7 @@ public Void call() throws Exception {
 
     processor.shutdown();
     processor.awaitTermination(Integer.MAX_VALUE, TimeUnit.MILLISECONDS);
-
+    completed = true;
     progressbar.shutdown();
 
     if (validateWrites) {