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-rw-r--r--timer.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/timer.c b/timer.c
index 8de6157..5cae651 100644
--- a/timer.c
+++ b/timer.c
@@ -19,7 +19,7 @@ uint32_t time;
ISR(TIMER1_COMPA_vect) {
++hits;
- time += OCR1A * US_PER_TICK;
+ time += (uint32_t) OCR1A * (uint32_t) US_PER_TICK;
if (hits == maxhits-1) {
OCR1A = lastcount;
} else if (hits >= maxhits) {