diff --git a/compact/beamlineKEK.xml b/compact/beamlineKEK.xml
index 16be1e85772d1455280b36ad5466b7a64a6b3e98..75ad1df75d620ad0537d53411f4bc2e9b37545ba 100644
--- a/compact/beamlineKEK.xml
+++ b/compact/beamlineKEK.xml
@@ -144,7 +144,7 @@
     </detector>
     <detector id="100" name="bPipe.3" type="ComptonBeamPipe">
       <Pipe wall_thickness="2*mm" outerD1="0.06*m" outerD2="0.06*m" length="0.493896*m" />
-      <placement x="-451.558630766*m" y="0*m" z="29.03644712313357*m" theta="0.04408*rad" />
+      <placement x="-451.558630766*m" y="0*m" z="29.03644712313357*m" theta="0.0398855806 *rad" />
       <dimensions x="0.1*m" y="0.1*m" z="0.493896*m" r="0.1*2.0*m" />
     </detector>
     <detector id="100" name="bPipe.4" type="ComptonBeamPipe">