diff --git a/android/WALT/app/src/main/java/org/chromium/latency/walt/DragLatencyFragment.java b/android/WALT/app/src/main/java/org/chromium/latency/walt/DragLatencyFragment.java
index 34cb0d5..705f764 100644
--- a/android/WALT/app/src/main/java/org/chromium/latency/walt/DragLatencyFragment.java
+++ b/android/WALT/app/src/main/java/org/chromium/latency/walt/DragLatencyFragment.java
@@ -265,6 +265,12 @@ void reshapeAndCalculate() {
             laserEventList.remove(0);
         }
 
+        // Calculation assumes that the first event is generated by the finger obstructing the beam.
+        // Remove the first event if it was generated by finger going out of the beam (value==1).
+        while (laserEventList.size() > 0 && laserEventList.get(0).value == 1) {
+            laserEventList.remove(0);
+        }
+
         int lN = laserEventList.size();
 
         if (lN < 8) {