diff --git a/src/counter.c b/src/counter.c
index d71a46f..88269a4 100644
--- a/src/counter.c
+++ b/src/counter.c
@@ -92,8 +92,12 @@ int main (void) {
     // add averaging and forming the struct here
     uint32_t duration = ((current_seconds - last_seconds) * 1000) + (current_milliseconds - last_milliseconds);
     logmsg(LOG_DEBUG, "s: %lu, ns: %lu, d: %lu, p: %lu", current_seconds, current_milliseconds, duration, period);
-    last_seconds = current_seconds;
-    last_milliseconds = current_milliseconds;
+
+    if (duration >= 1000) {
+      logmsg(LOG_DEBUG, "one second is over");
+      last_seconds = current_seconds;
+      last_milliseconds = current_milliseconds;
+    }