diff --git a/src/sys.c b/src/sys.c
index 635e234..540d2ec 100644
--- a/src/sys.c
+++ b/src/sys.c
@@ -72,7 +72,8 @@ void sys_get_network(struct network_t *network) {
 	const double diff_s = (double)diff_us / 1000000.0;
 	network->download = (uint32_t)((double)(current.rx - prev.rx) / diff_s);
 	network->upload = (uint32_t)((double)(current.tx - prev.tx) / diff_s);
-	prev = current;
+	if (network->upload < 2000000000ULL && network->download < 2000000000ULL) // 2gb/s
+		prev = current;
 }
 
 void sys_detect(struct syssensors_t *s, const char *platform) {