diff --git a/releng.wtpbuilder/distribution/wtp.perf/perf.properties b/releng.wtpbuilder/distribution/wtp.perf/perf.properties
index 25fed32777faf553f80f88f1cc3cfe457230db22..bb386b76f98ff5146f54dc258b596ce85ea7566b 100644
--- a/releng.wtpbuilder/distribution/wtp.perf/perf.properties
+++ b/releng.wtpbuilder/distribution/wtp.perf/perf.properties
@@ -8,7 +8,7 @@ perf.dbloc=wtp-perf-db
 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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