diff --git a/services/inputflinger/PreferStylusOverTouchBlocker.cpp b/services/inputflinger/PreferStylusOverTouchBlocker.cpp
index beec2e1..ddd5146 100644
--- a/services/inputflinger/PreferStylusOverTouchBlocker.cpp
+++ b/services/inputflinger/PreferStylusOverTouchBlocker.cpp
@@ -25,8 +25,7 @@
     for (size_t i = 0; i < args.pointerCount; i++) {
         // Make sure we are canceling stylus pointers
         const int32_t toolType = args.pointerProperties[i].toolType;
-        if (toolType == AMOTION_EVENT_TOOL_TYPE_STYLUS ||
-            toolType == AMOTION_EVENT_TOOL_TYPE_ERASER) {
+        if (isStylusToolType(toolType)) {
             hasStylus = true;
         }
         if (toolType == AMOTION_EVENT_TOOL_TYPE_FINGER) {