diff --git a/services/inputflinger/tests/InputDispatcher_test.cpp b/services/inputflinger/tests/InputDispatcher_test.cpp
index 0814bc2..aa2f832 100644
--- a/services/inputflinger/tests/InputDispatcher_test.cpp
+++ b/services/inputflinger/tests/InputDispatcher_test.cpp
@@ -558,7 +558,7 @@
     MotionEvent event;
     PointerProperties pointerProperties[MAX_POINTERS + 1];
     PointerCoords pointerCoords[MAX_POINTERS + 1];
-    for (int i = 0; i <= MAX_POINTERS; i++) {
+    for (size_t i = 0; i <= MAX_POINTERS; i++) {
         pointerProperties[i].clear();
         pointerProperties[i].id = i;
         pointerCoords[i].clear();