diff --git a/services/inputflinger/InputReader.cpp b/services/inputflinger/InputReader.cpp
index 4c4786f..0b7e850 100644
--- a/services/inputflinger/InputReader.cpp
+++ b/services/inputflinger/InputReader.cpp
@@ -6547,7 +6547,7 @@
 
 bool TouchInputMapper::isPointInsideSurface(int32_t x, int32_t y) {
     const float scaledX = x * mXScale;
-    const float scaledY = x * mYScale;
+    const float scaledY = y * mYScale;
     return x >= mRawPointerAxes.x.minValue && x <= mRawPointerAxes.x.maxValue
             && scaledX >= mPhysicalLeft && scaledX <= mPhysicalLeft + mPhysicalWidth
             && y >= mRawPointerAxes.y.minValue && y <= mRawPointerAxes.y.maxValue