diff --git a/src/modules/exec/Pwm8266/Pwm8266.cpp b/src/modules/exec/Pwm8266/Pwm8266.cpp
index 2f8883f4..7e61a80a 100644
--- a/src/modules/exec/Pwm8266/Pwm8266.cpp
+++ b/src/modules/exec/Pwm8266/Pwm8266.cpp
@@ -20,6 +20,7 @@ class Pwm8266 : public IoTItem {
         
         IoTgpio.pinMode(_pin, OUTPUT);
         analogWriteFreq(_freq);
+        analogWriteResolution(10);
         IoTgpio.analogWrite(_pin, value.valD);
 
         jsonRead(parameters, "apin", _apin);