diff --git a/watch-library/shared/watch/watch_utility.c b/watch-library/shared/watch/watch_utility.c
index 4bf53bc2..0c9f403b 100644
--- a/watch-library/shared/watch/watch_utility.c
+++ b/watch-library/shared/watch/watch_utility.c
@@ -123,9 +123,9 @@ static uint32_t __year_to_secs(uint32_t year, int *is_leap)
 		return 31536000*(y-70) + 86400*leaps;
 	}
 
-	int cycles, centuries, leaps, rem;
+	int cycles, centuries, leaps, rem, dummy;
 
-	if (!is_leap) is_leap = &(int){0};
+	if (!is_leap) is_leap = &dummy;
 	cycles = (year-100) / 400;
 	rem = (year-100) % 400;
 	if (rem < 0) {