diff --git a/core/src/main/java/hudson/model/ExternalRun.java b/core/src/main/java/hudson/model/ExternalRun.java
index f70f1fd95da7c907e2c57c8173bb3690a93db56d..77cf84e6e5415a64204fc63ceac26647f9345b54 100644
--- a/core/src/main/java/hudson/model/ExternalRun.java
+++ b/core/src/main/java/hudson/model/ExternalRun.java
@@ -59,7 +59,7 @@ public class ExternalRun extends Run<ExternalJob,ExternalRun> {
      * </run>
      * </xmp></pre>
      */
-    public void acceptRemoteSubmission(final Reader in) {
+    public void acceptRemoteSubmission(final Reader in) throws IOException {
         final long[] duration = new long[1];
         run(new Runner() {
             public Result run(BuildListener listener) throws Exception {
@@ -93,8 +93,11 @@ public class ExternalRun extends Run<ExternalJob,ExternalRun> {
             }
         });
 
-        if(duration[0]!=0)
+        if(duration[0]!=0) {
             super.duration = duration[0];
+            // save the updated duration
+            save();
+        }
     }
 
 }