diff --git a/src/HCSR04.cpp b/src/HCSR04.cpp
index afe483c..8782d13 100644
--- a/src/HCSR04.cpp
+++ b/src/HCSR04.cpp
@@ -40,7 +40,9 @@ float UltraSonicDistanceSensor::measureDistanceCm(float temperature) {
     }
 
     // Measure the length of echo signal, which is equal to the time needed for sound to go there and back.
+    noInterrupts();
     unsigned long durationMicroSec = pulseIn(echoPin, HIGH, maxDistanceDurationMicroSec); // can't measure beyond max distance
+    interrupts();
 
     float distanceCm = durationMicroSec / 2.0 * speedOfSoundInCmPerMicroSec;
     if (distanceCm == 0 || distanceCm > maxDistanceCm) {
@@ -48,4 +50,4 @@ float UltraSonicDistanceSensor::measureDistanceCm(float temperature) {
     } else {
         return distanceCm;
     }
-}
\ No newline at end of file
+}