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-rw-r--r--cores/arduino/wiring.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/cores/arduino/wiring.c b/cores/arduino/wiring.c
index b956f78..9727135 100644
--- a/cores/arduino/wiring.c
+++ b/cores/arduino/wiring.c
@@ -39,7 +39,7 @@ volatile unsigned long timer0_overflow_count = 0;
volatile unsigned long timer0_millis = 0;
static unsigned char timer0_fract = 0;
-#if defined(__AVR_ATtiny24__) || defined(__AVR_ATtiny44__) || defined(__AVR_ATtiny84__)
+#if defined(TIM0_OVF_vect)
ISR(TIM0_OVF_vect)
#else
ISR(TIMER0_OVF_vect)