diff --git a/geronimo-metrics-common/src/main/java/org/apache/geronimo/microprofile/metrics/common/SimpleTimerImpl.java b/geronimo-metrics-common/src/main/java/org/apache/geronimo/microprofile/metrics/common/SimpleTimerImpl.java
index 5945762..f3df332 100644
--- a/geronimo-metrics-common/src/main/java/org/apache/geronimo/microprofile/metrics/common/SimpleTimerImpl.java
+++ b/geronimo-metrics-common/src/main/java/org/apache/geronimo/microprofile/metrics/common/SimpleTimerImpl.java
@@ -108,13 +108,13 @@
     @Override
     public Duration getMaxTimeDuration() {
         maybeRotate();
-        return max;
+        return previousMax;
     }
 
     @Override
     public Duration getMinTimeDuration() {
         maybeRotate();
-        return min;
+        return previousMin;
     }
 
     private void maybeRotate() {
diff --git a/geronimo-metrics-common/src/main/java/org/apache/geronimo/microprofile/metrics/common/TimerImpl.java b/geronimo-metrics-common/src/main/java/org/apache/geronimo/microprofile/metrics/common/TimerImpl.java
index 6067b09..bd546f4 100644
--- a/geronimo-metrics-common/src/main/java/org/apache/geronimo/microprofile/metrics/common/TimerImpl.java
+++ b/geronimo-metrics-common/src/main/java/org/apache/geronimo/microprofile/metrics/common/TimerImpl.java
@@ -40,7 +40,7 @@
 
     @Override
     public void update(final Duration duration) {
-        if (duration.isNegative() || duration.isZero()) {
+        if (duration.isNegative()) {
             return;
         }
         histogram.update(duration.toNanos());