diff --git a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ReflectionUtils.java b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ReflectionUtils.java
index f1294e7610..ff7357a175 100644
--- a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ReflectionUtils.java
+++ b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/ReflectionUtils.java
@@ -212,7 +212,7 @@ public static void logThreadInfo(Log log,
     boolean dumpStack = false;
     if (log.isInfoEnabled()) {
       synchronized (ReflectionUtils.class) {
-        long now = Time.now();
+        long now = Time.monotonicNow();
         if (now - previousLogTime >= minInterval * 1000) {
           previousLogTime = now;
           dumpStack = true;
@@ -241,7 +241,7 @@ public static void logThreadInfo(Logger log,
     boolean dumpStack = false;
     if (log.isInfoEnabled()) {
       synchronized (ReflectionUtils.class) {
-        long now = Time.now();
+        long now = Time.monotonicNow();
         if (now - previousLogTime >= minInterval * 1000) {
           previousLogTime = now;
           dumpStack = true;