fix:

src/main.c

@@ -213,9 +213,10 @@ int main(int ac, char **av)
         }
         while (ret >= 0 && check_reply(&settings.dest.ip, &sender, packet, buffer + sizeof(struct iphdr), packet_size, ret));
         
-        if (ret >= (ssize_t) (sizeof(struct icmphdr) + sizeof(struct iphdr)) && ((struct icmphdr *) buffer + sizeof(struct iphdr))->type == 0)
+        if (ret >= (ssize_t) (sizeof(struct icmphdr) + sizeof(struct iphdr)))
         {
-            stats.packets_received++;
+            if (((struct icmphdr *) (buffer + sizeof(struct iphdr)))->type == 0)
+                stats.packets_received++;
             print_recv(&settings, buffer, &start, &stop, &sender);
         }