diff --git a/sensors.py b/sensors.py
index a01ef4a..629f271 100644
--- a/sensors.py
+++ b/sensors.py
@@ -115,7 +115,7 @@ if enable_sht:
     sht.mode = SHT40_DEFAULT
 
 class SHT40(Sensor):
-    def __init__(self, what, every=60):
+    def __init__(self, what, every=600):
         super().__init__()
         if what not in ("Temperature", "Humidity"):
             print("ERROR: invalid sensor value: ", what)