diff --git a/monitor/gen-fan-monitor-defs.py b/monitor/gen-fan-monitor-defs.py
index 7a1b874..83dcbc0 100755
--- a/monitor/gen-fan-monitor-defs.py
+++ b/monitor/gen-fan-monitor-defs.py
@@ -28,6 +28,7 @@
 {
 %for fan_data in data.get('fans', {}):
     FanDefinition{"${fan_data['inventory']}",
+                  ${fan_data.get('functional_delay', 0)},
                   ${fan_data['allowed_out_of_range_time']},
                   ${fan_data['deviation']},
                   ${fan_data['num_sensors_nonfunc_for_fan_nonfunc']},