diff --git a/Arduino/CanGrow/CanGrow_WebFunctions.h b/Arduino/CanGrow/CanGrow_WebFunctions.h
index 704797a..302a3f7 100644
--- a/Arduino/CanGrow/CanGrow_WebFunctions.h
+++ b/Arduino/CanGrow/CanGrow_WebFunctions.h
@@ -852,6 +852,9 @@ void POSTgrowSettings() {
 
 
 void POSTsystemSettings() {
+  
+  unsigned short UseLEDrelais_old = UseLEDrelais;
+  unsigned short UseFANrelais_old = UseFANrelais;
   NtpOffset = webserver.arg("NtpOffset").toInt();
   MoistureSensor_Type = webserver.arg("MoistureSensor_Type").toInt();
   SoilmoistureLow = webserver.arg("SoilmoistureLow").toInt();
@@ -909,14 +912,14 @@ void POSTsystemSettings() {
   
   // when user uses an relais for LED control, we force here PinLEDPWM to 255
   // to ensure nothing bad happens and its turned on
-  if(UseLEDrelais == false) {
+  if( (UseLEDrelais == false) && (UseLEDrelais != UseLEDrelais_old) ) {
     PinLEDPWM = 255;
     EEPROM.put(213, PinLEDPWM);
     EEPROM.commit();
     Serial.println("UseLEDrelais is 0, forcing PinLEDPWM to max to prevent relais damage and ensure its turned on");
   }
   
-  if(UseFANrelais == false) {
+  if( (UseFANrelais == false) && (UseFANrelais != UseFANrelais_old) ) {
     PinFANPWM = 255;
     EEPROM.put(215, PinFANPWM);
     EEPROM.commit();