diff --git a/build/shared/revisions.txt b/build/shared/revisions.txt
index f606e17d2..a06dd9aa8 100644
--- a/build/shared/revisions.txt
+++ b/build/shared/revisions.txt
@@ -21,10 +21,12 @@ ARDUINO 1.6.6
 * Introducing arduino-builder, a command line tool that properly calls gcc. Fixes lots of issues about buggy preprocessing.
 
 [libraries]
-
 * Bridge: YunClient.connected() returns true if there are bytes available for read. Thanks @RobAtticus
 * Bridge: YunClient.stop() now empties all buffers. Thanks @RobAtticus
 
+[core]
+AVR: fixed wrong turnOffPWM() for TIMER0B. Thanks @gonzoveliki
+
 ARDUINO 1.6.5-r5 - 2015.08.28
 
 [ide]
diff --git a/hardware/arduino/avr/cores/arduino/wiring_digital.c b/hardware/arduino/avr/cores/arduino/wiring_digital.c
index 51adb2cc9..27a62fc6c 100644
--- a/hardware/arduino/avr/cores/arduino/wiring_digital.c
+++ b/hardware/arduino/avr/cores/arduino/wiring_digital.c
@@ -94,7 +94,7 @@ static void turnOffPWM(uint8_t timer)
 		case  TIMER0A:  cbi(TCCR0A, COM0A1);    break;
 		#endif
 		
-		#if defined(TIMER0B) && defined(COM0B1)
+		#if defined(TCCR0A) && defined(COM0B1)
 		case  TIMER0B:  cbi(TCCR0A, COM0B1);    break;
 		#endif
 		#if defined(TCCR2A) && defined(COM2A1)