diff --git a/monitor/gen-fan-monitor-defs.py b/monitor/gen-fan-monitor-defs.py
index 6793169..43b0bb9 100755
--- a/monitor/gen-fan-monitor-defs.py
+++ b/monitor/gen-fan-monitor-defs.py
@@ -54,6 +54,7 @@
                   ${fan_data['allowed_out_of_range_time']},
                   ${fan_data['deviation']},
                   ${fan_data['num_sensors_nonfunc_for_fan_nonfunc']},
+                  0, // Monitor start delay - not used in YAML configs
                   std::vector<SensorDefinition>{
                   %for sensor in fan_data['sensors']:
                   <%