diff --git a/services/core/java/com/android/server/display/DisplayDeviceConfig.java b/services/core/java/com/android/server/display/DisplayDeviceConfig.java
index 4c9d0f2691b37..2ae5cbbbf24ba 100644
--- a/services/core/java/com/android/server/display/DisplayDeviceConfig.java
+++ b/services/core/java/com/android/server/display/DisplayDeviceConfig.java
@@ -590,7 +590,7 @@ public class DisplayDeviceConfig {
             newIndex = i - newStart;
             final float newBacklightVal;
             final float newNitsVal;
-            isLastValue = mRawBacklight[i] > mBacklightMaximum
+            isLastValue = mRawBacklight[i] >= mBacklightMaximum
                     || i >= mRawBacklight.length - 1;
             // Clamp beginning and end to valid backlight values.
             if (newIndex == 0) {