diff --git a/releng.wtpbuilder/distribution/wtp.perf/perf.properties b/releng.wtpbuilder/distribution/wtp.perf/perf.properties
index 25fed32..bb386b7 100644
--- a/releng.wtpbuilder/distribution/wtp.perf/perf.properties
+++ b/releng.wtpbuilder/distribution/wtp.perf/perf.properties
@@ -8,7 +8,7 @@
 perf.config=wtpbuild
 perf.jvm=ibm1.5.0
 perf.ref.config=wtpbuild
-perf.ref.buildId=R-1.5.4-200705021353
+perf.ref.buildId=R20070502-1353
 perf.ref.jvm=ibm1.5.0
 
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