diff --git a/esp8266-sensornode.ino b/esp8266-sensornode.ino
index 19c0820..d7690e7 100644
--- a/esp8266-sensornode.ino
+++ b/esp8266-sensornode.ino
@@ -296,7 +296,8 @@ void setup() {
   } else {  // ELSE: sampleCnt < sampleAvgNum
 
 #ifdef PRINT_INFO
-    Serial.printf("[INFO ] %d of %d samples collected -> sleep\n", sampleCnt, sampleAvgNum);
+    Serial.printf("[INFO ] %d of %d samples collected -> sleep %4d s\n", sampleCnt, sampleAvgNum,
+                  sampleInterval_sec);
     // continue with deep sleep at end of main function
 #endif