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-rw-r--r--cores/arduino/wiring_analog.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/cores/arduino/wiring_analog.c b/cores/arduino/wiring_analog.c
index 40a3363..c06cad4 100644
--- a/cores/arduino/wiring_analog.c
+++ b/cores/arduino/wiring_analog.c
@@ -230,7 +230,7 @@ void analogWrite(uint8_t pin, int val)
break;
#endif
- #if defined(TCCR4C)
+ #if defined(TCCR4C) && defined(COM4D1)
case TIMER4D:
// connect pwm to pin on timer 4, channel D
sbi(TCCR4C, COM4D1);