diff --git a/code/espurna/config/general.h b/code/espurna/config/general.h
index 974c446a..2dda1743 100644
--- a/code/espurna/config/general.h
+++ b/code/espurna/config/general.h
@@ -500,7 +500,7 @@ PROGMEM const char* const custom_reset_string[] = {
 #ifndef LIGHT_MAX_PWM
 
 #if LIGHT_PROVIDER == LIGHT_PROVIDER_MY9192
-#define LIGHT_MAX_PWM           256
+#define LIGHT_MAX_PWM           255
 #endif
 
 #if LIGHT_PROVIDER == LIGHT_PROVIDER_DIMMER