diff --git a/src/publisher.c b/src/publisher.c
index ce6df70..ce6a022 100644
--- a/src/publisher.c
+++ b/src/publisher.c
@@ -128,8 +128,8 @@ int main(int argc, char *argv[]) {
         printf(
             "Too many measurements to publish. Please increase ZMQ_MSG_SIZE\n");
       } else {
-        sprintf(queues[queue_id].msg + queues[queue_id].size, "%ld,%ld,%d\n",
-                power_ts.tv_sec, power_ts.tv_nsec, atoi(buffer));
+        sprintf(queues[queue_id].msg + queues[queue_id].size, "%ld,%ld,%f\n",
+                power_ts.tv_sec, power_ts.tv_nsec, atof(buffer));
         queues[queue_id].size +=
             strlen(queues[queue_id].msg + queues[queue_id].size);
       }