diff --git a/script/FrontEndBladeScan.py b/script/FrontEndBladeScan.py
index 7ad34db7..d8781255 100644
--- a/script/FrontEndBladeScan.py
+++ b/script/FrontEndBladeScan.py
@@ -26,8 +26,8 @@ AuxCurrentGain.write("L, 10^7")
 FrontendHSize.write(2.0)
 FrontendVSize.write(2.0)
 ExitSlit.write(25.0)
-MonoBeta.write(-87.0)
-MonoTheta.write(+87.0)
+caput("X03DA-PGM:ronbeta.A", -87.0)
+caput("X03DA-PGM:rontheta.A", +87.0)
 
 time.sleep(30.0)