diff --git a/src/sinkSender.c b/src/sinkSender.c
index 22c17c9..7ac31c2 100644
--- a/src/sinkSender.c
+++ b/src/sinkSender.c
@@ -73,7 +73,7 @@ void sinkSenderPut(uint32_t seconds, uint32_t frequency) {
     struct sysinfo info;
     sysinfo(&info);
 
-    minuteBuffer.s.totalRunningHours = sysinfo.update / 3600;
+    minuteBuffer.s.totalRunningHours = sysinfo.uptime / 3600;
     minuteBuffer.s.totalPowercycles = 0;
     minuteBuffer.s.totalWatchdogResets = 0;
     minuteBuffer.s.version = strtol(VERSION, NULL, 16);