diff --git a/as.c b/as.c
index d737b96..590604f 100644
--- a/as.c
+++ b/as.c
@@ -409,7 +409,7 @@ static void as_submit(void)
 	char i2s[AS_MAXTMPLEN];
 	char buf[AS_BUFSIZE];
 	unsigned long int idx, odx, submissions=0;
-	size_t n;
+	ssize_t n;
 	int sockfd;
 	int testval;
 	int ign=0;