diff --git a/contributors.txt b/contributors.txt
index b869e2f..88cdf16 100644
--- a/contributors.txt
+++ b/contributors.txt
@@ -7,3 +7,4 @@ Brian Park - https://github.com/bxparks - Temperature as fixed point to remove f
 Grepis - https://github.com/grepis - Find & fix some alarm bugs
 prosper00 - https://github.com/prosper00 - Find & fix a bug on a example when compiling for STM32 ST cube.
 meltingSnowdrift - https://github.com/meltingSnowdrift - Find unhandled centiry bit.
+David Brown - https://github.com/davidhbrown - Fix century bit on year read
diff --git a/library.properties b/library.properties
index bce6f8c..cde72ec 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=uRTCLib
-version=6.2.6
+version=6.2.7
 author=Naguissa <naguissa@foroelectro.net>
 maintainer=Naguissa <naguissa@foroelectro.net>
 sentence=Really tiny library to basic RTC functionality on Arduino. DS1307, DS3231 and DS3232 RTCs are supported. See https://github.com/Naguissa/uEEPROMLib for EEPROM support. Temperature, Alarms, SQWG and RAM support.
diff --git a/src/uRTCLib.cpp b/src/uRTCLib.cpp
index a86fed3..4e6bc11 100644
--- a/src/uRTCLib.cpp
+++ b/src/uRTCLib.cpp
@@ -21,7 +21,7 @@
  * @see <a href="https://www.foroelectro.net/librerias-arduino-ide-f29/rtclib-arduino-libreria-simple-y-eficaz-para-rtc-y-t95.html">https://www.foroelectro.net/librerias-arduino-ide-f29/rtclib-arduino-libreria-simple-y-eficaz-para-rtc-y-t95.html</a>
  * @see <a href="mailto:naguissa@foroelectro.net">naguissa@foroelectro.net</a>
  * @see <a href="https://github.com/Naguissa/uEEPROMLib">See uEEPROMLib for EEPROM support.</a>
- * @version 6.2.6
+ * @version 6.2.7
  */
 
 #include <Arduino.h>
diff --git a/src/uRTCLib.h b/src/uRTCLib.h
index fa85ec7..7b58cbc 100644
--- a/src/uRTCLib.h
+++ b/src/uRTCLib.h
@@ -18,7 +18,7 @@
  * @see <a href="https://www.foroelectro.net/librerias-arduino-ide-f29/rtclib-arduino-libreria-simple-y-eficaz-para-rtc-y-t95.html">https://www.foroelectro.net/librerias-arduino-ide-f29/rtclib-arduino-libreria-simple-y-eficaz-para-rtc-y-t95.html</a>
  * @see <a href="mailto:naguissa@foroelectro.net">naguissa@foroelectro.net</a>
  * @see <a href="https://github.com/Naguissa/uEEPROMLib">See uEEPROMLib for EEPROM support.</a>
- * @version 6.2.6
+ * @version 6.2.7
  */
 /** \file uRTCLib.h
  *   \brief uRTCLib header file
@@ -220,16 +220,25 @@
 	 */
 	#define uRTCLIB_bcdToDec(val) ((uint8_t) ((val / 16 * 10) + (val % 16)))
 
-	// ESP8266 yield function (ESP32 has no need for that)
+	// ESP yield function (ESP32 has no need for that on dual core, but it has on single core version)
 	#if ARDUINO_ARCH_ESP8266
+		/**
+		 * \brief ESP8266, yield to don't block ESP functionality.
+		 *
+		 * When this library is used in other MCUs this is simply removed by the preprocessor
+		 */
 		#define uRTCLIB_YIELD yield();
 	#else
+		#if ARDUINO_ARCH_ESP32
 		/**
-		 * \brief Only on ESP8266, yield to don't block ESP functionality.
+		 * \brief ESP32, yield to don't block ESP functionality.
 		 *
 		 * When this library is used in other MCUs this is simply removed by the preprocessor
 		 */
-		#define uRTCLIB_YIELD
+			#define uRTCLIB_YIELD yield();
+		#else
+			#define uRTCLIB_YIELD
+		#endif
 	#endif
 
 	class uRTCLib {