diff --git a/src/publisher.c b/src/publisher.c
index c213c3c..77ccbc4 100644
--- a/src/publisher.c
+++ b/src/publisher.c
@@ -137,7 +137,7 @@ int main(int argc, char *argv[]) {
             "Too many measurements to publish. Please increase ZMQ_MSG_SIZE\n");
       } else {
         sprintf(queues[queue_id].msg + queues[queue_id].size, "%ld,%ld,%f\n",
-                power_ts.tv_sec, power_ts.tv_nsec, atof(buffer));
+                power_ts.tv_sec, power_ts.tv_nsec, atof(buffer)/1000.0); // Power is in mW so convert it to watt
         queues[queue_id].size +=
             strlen(queues[queue_id].msg + queues[queue_id].size);
       }