diff --git a/releng.wtpbuilder/build.properties b/releng.wtpbuilder/build.properties
index d4b19d849e6d5154a386a07a9460e10a655f4727..95d777f03ec103943775db6dc800b9d5ea583023 100644
--- a/releng.wtpbuilder/build.properties
+++ b/releng.wtpbuilder/build.properties
@@ -83,7 +83,8 @@ javacDebugInfo=true
 # it must be relative to the buildHome
 eclipse.base.version=3.1.0
 eclipse.builder=org.eclipse.releng.basebuilder
-eclipse.builder.version=r311_vM20050914-1235
+#eclipse.builder.version=r311_vM20050914-1235
+eclipse.builder.version=vI20051215-1506
 eclipse.builder.fetch=true