diff --git a/scripts/shutter.cmd b/scripts/shutter.cmd
index 626cd54..2e8a788 100644
--- a/scripts/shutter.cmd
+++ b/scripts/shutter.cmd
@@ -12,7 +12,7 @@ require sinqS7plcFW
 # )
 
 epicsEnvSet("SPS_REGISTER_NAME", "SPS-SHUTTER")
-epicsEnvSet("SPS_FETCH_SIZE", "152")
+epicsEnvSet("SPS_FETCH_SIZE", "154")
 # Seems that 1 doesn't work
 epicsEnvSet("SPS_WRITE_SIZE", "2")