diff --git a/src/influx.c b/src/influx.c
index 66b03c3..df17040 100644
--- a/src/influx.c
+++ b/src/influx.c
@@ -119,7 +119,7 @@ static void influxSendRequest(tInfluxBuffer *influxBuffer) {
 void influxAddFrequency(uint32_t period, double fRaw, double fSmoothed, double gradient, 
                         int valid) {
     static uint8_t divider = 0;
-    static double summedUpTime = 0.0;
+    static uint32_t summedUpTime = 0;
     char tmpBuf[256];
     struct timespec t;
 
@@ -144,12 +144,12 @@ void influxAddFrequency(uint32_t period, double fRaw, double fSmoothed, double g
     influxBuffers[PERIOD_20MS]->nextEntry += c;
     influxBuffers[PERIOD_20MS]->entries += 1;
 
-    summedUpTime += fSmoothed;
+    summedUpTime += period;
     divider += 1;
 
     if (divider == ONE_SECOND_DIVIDER) {
-        double freq1S = ((double)ONE_SECOND_DIVIDER) / summedUpTime; 
-        logmsg(LOG_DEBUG, "%llu: %f %f\n", tt, summedUpTime, freq1S);
+        double freq1S = ((double)ONE_SECOND_DIVIDER) / (((double)summedUpTime) / 1000000.0); 
+        logmsg(LOG_DEBUG, "%llu: %u %f\n", tt, summedUpTime, freq1S);
 
         int c = sprintf(tmpBuf, "mainsfrequency1S,host=%s,location=%s "
                                 "freq=%f "