diff --git a/extensions/log/rs/runtime/src/main/java/org/tkit/quarkus/log/rs/RestClientLogInterceptor.java b/extensions/log/rs/runtime/src/main/java/org/tkit/quarkus/log/rs/RestClientLogInterceptor.java
index 7070b4f..650c842 100644
--- a/extensions/log/rs/runtime/src/main/java/org/tkit/quarkus/log/rs/RestClientLogInterceptor.java
+++ b/extensions/log/rs/runtime/src/main/java/org/tkit/quarkus/log/rs/RestClientLogInterceptor.java
@@ -92,16 +92,16 @@ public void filter(ClientRequestContext requestContext, ClientResponseContext re
             context.close();
 
             if (config.client.end.mdc.enabled) {
-                MDC.put(config.client.end.mdc.durationName, context.time);
+                MDC.put(config.client.end.mdc.durationName, context.durationSec);
                 context.mdcKeys.add(config.client.end.mdc.durationName);
 
                 MDC.put(config.client.end.mdc.responseStatusName, status.getStatusCode());
-                context.mdcKeys.add(config.end.mdc.responseStatusName);
+                context.mdcKeys.add(config.client.end.mdc.responseStatusName);
             }
 
             if (config.client.end.enabled) {
                 log.info(String.format(config.client.end.template, context.method, context.uri,
-                        context.time, status.getStatusCode(), status.getReasonPhrase()));
+                        context.durationString, status.getStatusCode(), status.getReasonPhrase()));
             }
         } finally {
             // clean up MDC header keys
diff --git a/extensions/log/rs/runtime/src/main/java/org/tkit/quarkus/log/rs/RestInterceptorContext.java b/extensions/log/rs/runtime/src/main/java/org/tkit/quarkus/log/rs/RestInterceptorContext.java
index fa0abbf..f638579 100644
--- a/extensions/log/rs/runtime/src/main/java/org/tkit/quarkus/log/rs/RestInterceptorContext.java
+++ b/extensions/log/rs/runtime/src/main/java/org/tkit/quarkus/log/rs/RestInterceptorContext.java
@@ -1,5 +1,7 @@
 package org.tkit.quarkus.log.rs;
 
+import java.math.BigDecimal;
+import java.math.RoundingMode;
 import java.util.HashSet;
 import java.util.Set;
 
@@ -13,19 +15,25 @@ public class RestInterceptorContext {
 
     String path;
 
-    String time;
-
     boolean exclude = false;
 
     Set<String> mdcKeys = new HashSet<>();
 
     private final long startTime;
 
+    long durationMillis;
+
+    double durationSec;
+
+    String durationString;
+
     RestInterceptorContext() {
         this.startTime = System.currentTimeMillis();
     }
 
     public void close() {
-        time = String.format("%.3f", (System.currentTimeMillis() - startTime) / 1000f);
+        durationMillis = (System.currentTimeMillis() - startTime);
+        durationSec = BigDecimal.valueOf(durationMillis / 1000f).setScale(3, RoundingMode.HALF_DOWN).doubleValue();
+        durationString = String.format("%.3f", durationSec);
     }
 }
diff --git a/extensions/log/rs/runtime/src/main/java/org/tkit/quarkus/log/rs/RestLogInterceptor.java b/extensions/log/rs/runtime/src/main/java/org/tkit/quarkus/log/rs/RestLogInterceptor.java
index 7dc7235..9e159a4 100644
--- a/extensions/log/rs/runtime/src/main/java/org/tkit/quarkus/log/rs/RestLogInterceptor.java
+++ b/extensions/log/rs/runtime/src/main/java/org/tkit/quarkus/log/rs/RestLogInterceptor.java
@@ -138,7 +138,7 @@ public void filter(ContainerRequestContext requestContext, ContainerResponseCont
                     Response.StatusType status = responseContext.getStatusInfo();
 
                     if (config.end.mdc.enabled) {
-                        MDC.put(config.end.mdc.durationName, restContext.time);
+                        MDC.put(config.end.mdc.durationName, restContext.durationSec);
                         restContext.mdcKeys.add(config.end.mdc.durationName);
 
                         MDC.put(config.end.mdc.responseStatusName, status.getStatusCode());
@@ -147,7 +147,7 @@ public void filter(ContainerRequestContext requestContext, ContainerResponseCont
 
                     LoggerFactory.getLogger(resourceInfo.getResourceClass())
                             .info(String.format(config.end.template, restContext.method, restContext.path,
-                                    restContext.time, status.getStatusCode(), status.getReasonPhrase(),
+                                    restContext.durationString, status.getStatusCode(), status.getReasonPhrase(),
                                     restContext.uri));
                 }
             } finally {