diff --git a/src/main.c b/src/main.c
index 47a3da9..388202c 100644
--- a/src/main.c
+++ b/src/main.c
@@ -156,7 +156,7 @@ int main(int argc, char **argv) {
 
 		if (i != 0) {
 			if (CHECK_FLAG(dest.flags, FLAG_NULL_BYTES)) {
-				fputc('\0', stdout);
+				putchar('\0');
 			} else {
 				printf("%s", dest.separator);
 			}