1 files changed, 4 insertions, 0 deletions
diff --git a/src/nonstd/_printf.h b/src/nonstd/_printf.h
index 95a4c94c..31b2d82e 100644
--- a/src/nonstd/_printf.h
+++ b/src/nonstd/_printf.h
@@ -38,6 +38,10 @@ static void __itos(char *s, intmax_t n, int flags, int precision, int base)
 	}
 	*out = '\0';
 	out--;
+	if (n == 0) {
+		*out = '0';
+		out--;
+	}
 	while (n > 0) {
 		precision--;
 		*out = digits[n % base];