diff --git a/dewpoint.yaml b/dewpoint.yaml
index 6049470..b3d29ed 100644
--- a/dewpoint.yaml
+++ b/dewpoint.yaml
@@ -95,9 +95,10 @@ sensor:
     update_interval: 30s
     icon: "mdi:thermometer-water"
   - platform: template
+    id: fan_state_temp
     name: "Fan state"
     lambda: |-
-      uint8_t fan_state = 0;
+      uint8_t fan_state = id(fan_state_temp).state;
       float deltadp = id(inner_dew_point).state - id(outer_dew_point).state;
       if (deltadp > 6.0) {
         fan_state = 1;