diff --git a/packages/essreflectometry/src/ess/freia/beamline.py b/packages/essreflectometry/src/ess/freia/beamline.py
index 5bb110d26..e6ef59fa1 100644
--- a/packages/essreflectometry/src/ess/freia/beamline.py
+++ b/packages/essreflectometry/src/ess/freia/beamline.py
@@ -7,7 +7,7 @@
 DETECTOR_BANK_SIZES = {
     "multiblade_detector": {
         "strip": 64,
-        "blade": 48,
+        "blade": 32,
         "wire": 32,
     },
 }