diff --git a/variants/picomputer-s3/platformio.ini b/variants/picomputer-s3/platformio.ini
index b336a03c8..5ee9ab8ac 100644
--- a/variants/picomputer-s3/platformio.ini
+++ b/variants/picomputer-s3/platformio.ini
@@ -28,6 +28,7 @@ build_flags = ${esp32_base.build_flags}
   -D MESHTASTIC_EXCLUDE_CANNEDMESSAGES=1
   -D MESHTASTIC_EXCLUDE_INPUTBROKER=1
   -D INPUTDRIVER_MATRIX_TYPE=1
+  -D USE_PIN_BUZZER=PIN_BUZZER
   -D MAX_NUM_NODES=200
   -D HAS_SCREEN=0
   -D HAS_TFT=1