diff --git a/monitor/gen-fan-monitor-defs.py b/monitor/gen-fan-monitor-defs.py
index 1590484..48cf7ec 100755
--- a/monitor/gen-fan-monitor-defs.py
+++ b/monitor/gen-fan-monitor-defs.py
@@ -36,8 +36,13 @@
                   <%
                       #has_target is a bool, and we need a true instead of True
                       has_target = str(sensor['has_target']).lower()
+                      factor = sensor.get('factor', 1)
+                      offset = sensor.get('offset', 0)
                   %> \
-                      SensorDefinition{"${sensor['name']}", ${has_target}},
+                      SensorDefinition{"${sensor['name']}",
+                                       ${has_target},
+                                       ${factor},
+                                       ${offset}},
                   %endfor
                   },
     },