diff --git a/core/src/main/java/hudson/model/Build.java b/core/src/main/java/hudson/model/Build.java
index 430e3d114abe2710a7fd33299b3f215530ef2095..5ee349c63c00ab4fe8618abfb6a8bff6b352031d 100644
--- a/core/src/main/java/hudson/model/Build.java
+++ b/core/src/main/java/hudson/model/Build.java
@@ -154,7 +154,7 @@ public abstract class Build <P extends Project<P,B>,B extends Build<P,B>>
                 // tear down in reverse order
                 boolean failed=false;
                 for( int i=buildEnvironments.size()-1; i>=0; i-- ) {
-                    if (!buildEnvironments.get(i).tearDown((AbstractBuild)Build.this,listener)) {
+                    if (!buildEnvironments.get(i).tearDown(Build.this,listener)) {
                         failed=true;
                     }                    
                 }