diff --git a/PCF8574.cpp b/PCF8574.cpp
index 30089d5..4459bd8 100644
--- a/PCF8574.cpp
+++ b/PCF8574.cpp
@@ -965,7 +965,8 @@ uint8_t PCF8574::digitalRead(uint8_t pin, bool forceReadNow){
 //	 }else if (forceReadNow || (millis() > PCF8574::lastReadMillis+latency)){
 	 }else if (forceReadNow || (millis() - PCF8574::lastReadMillis > latency)){
 		 PCF8574_DEBUG_PRINT(" ...Read from buffer... ");
-		  _wire->requestFrom(_address,(uint8_t)1);// Begin transmission to PCF8574 with the buttons
+		  uint8_t bytesRead = _wire->requestFrom(_address, (uint8_t)1); // Begin transmission to PCF8574 with the buttons
+		  this->transmissionStatus = (bytesRead != 0) ? 0 : 4; // return "Other error" similar from endTransmission
 		  lastReadMillis = millis();
 		  if(_wire->available())   // If bytes are available to be recieved
 		  {