diff --git a/src/sinkSender.c b/src/sinkSender.c
index 29e42eb..4f5bd40 100644
--- a/src/sinkSender.c
+++ b/src/sinkSender.c
@@ -6,6 +6,7 @@
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <errno.h>
+#include <sys/sysinfo.h>
 
 #include "sinkSender.h"
 #include "logging.h"
@@ -69,7 +70,10 @@ void sinkSenderPut(uint32_t seconds, uint32_t frequency) {
     logmsg(LOG_DEBUG, "minute is full");
     secondOfMinute = 0;
 
-    minuteBuffer.s.totalRunningHours = 0;
+    struct sysinfo;
+    sysinfo(&sysinfo);
+
+    minuteBuffer.s.totalRunningHours = sysinfo.update / 3600;
     minuteBuffer.s.totalPowercycles = 0;
     minuteBuffer.s.totalWatchdogResets = 0;
     minuteBuffer.s.version = strtol(VERSION, NULL, 16);