diff --git a/core/src/main/java/hudson/util/RunList.java b/core/src/main/java/hudson/util/RunList.java
index 4ebe1677cd604568de56731cd893bb87a44c5147..3a01c60a9f9525398ba4f523474d95490010f080 100644
--- a/core/src/main/java/hudson/util/RunList.java
+++ b/core/src/main/java/hudson/util/RunList.java
@@ -90,10 +90,8 @@ public class RunList extends ArrayList<Run> {
     public RunList node(Node node) {
         for (Iterator<Run> itr = iterator(); itr.hasNext();) {
             Run r = itr.next();
-            if (r instanceof AbstractBuild) {
-            	if (((AbstractBuild)r).getBuiltOn()!=node) {
-                    itr.remove();
-            	}
+            if (!(r instanceof AbstractBuild) || ((AbstractBuild)r).getBuiltOn()!=node) {
+                itr.remove();
             }
         }
         return this;