diff --git a/FofbTool/Configuration.py b/FofbTool/Configuration.py
index b46297414273acf2014c72c08d34e64e0af4d271..a6e5065f27a1976122830ceae55260431384a93d 100755
--- a/FofbTool/Configuration.py
+++ b/FofbTool/Configuration.py
@@ -285,6 +285,8 @@ def centralnode_configure_corr():
     f[0:100] = range(1,101)
     prx["corr_pscid"] = f
 
+    prx["corr_num_bpm"] = 122
+
     logger.info("Configuration of Corr done on {}.".format(p))
     return True
 
diff --git a/FofbTool/DeviceAttributeConfiguration.py b/FofbTool/DeviceAttributeConfiguration.py
index 1824cf3e09967ef2a80a41b3100cdb73a9f8fd6c..3a02e1e982fc4a9da9399b329b309034a0aa723a 100755
--- a/FofbTool/DeviceAttributeConfiguration.py
+++ b/FofbTool/DeviceAttributeConfiguration.py
@@ -358,6 +358,15 @@ def set_attr_config_centralnode(cnp):
         c.alarms.max_warning='331'
         cnp.set_attribute_config(c)
 
+
+    c = cnp.get_attribute_config("corr_num_bpm")
+    c.description = "Number of expected bpm packets for the matrix multiplication."+c.description
+    c.format = '%d'
+    c.unit = ' '
+    c.alarms.min_warning='121'
+    c.alarms.max_warning='123'
+    cnp.set_attribute_config(c)
+
     for p in "xy":
 
         c = cnp.get_attribute_config("corr_control_{}".format(p))