diff --git a/dht11.py b/dht11.py
index 3b7b8a9..1211199 100644
--- a/dht11.py
+++ b/dht11.py
@@ -58,6 +58,11 @@ def check_data():
                 fan_timer_start = 0
                 sensor_data['fan'] = False
                 GPIO.output(FAN_PIN, GPIO.LOW)
+            else:
+                fan_timer_actief = False
+                fan_timer_start = 0
+                sensor_data['fan'] = False
+                GPIO.output(FAN_PIN, GPIO.LOW)
 
 class handler_class(http.server.BaseHTTPRequestHandler):
     def do_GET (self):