diff --git a/services/inputflinger/InputReader.cpp b/services/inputflinger/InputReader.cpp
index b54503e..f3cb0e6 100644
--- a/services/inputflinger/InputReader.cpp
+++ b/services/inputflinger/InputReader.cpp
@@ -3104,9 +3104,12 @@
             && mParameters.hasAssociatedDisplay) {
         mSource = AINPUT_SOURCE_TOUCHSCREEN;
         mDeviceMode = DEVICE_MODE_DIRECT;
-        if (hasStylus() || hasExternalStylus()) {
+        if (hasStylus()) {
             mSource |= AINPUT_SOURCE_STYLUS;
         }
+        if (hasExternalStylus()) {
+            mSource |= AINPUT_SOURCE_BLUETOOTH_STYLUS;
+        }
     } else if (mParameters.deviceType == Parameters::DEVICE_TYPE_TOUCH_NAVIGATION) {
         mSource = AINPUT_SOURCE_TOUCH_NAVIGATION;
         mDeviceMode = DEVICE_MODE_NAVIGATION;