diff --git a/ttp/ttp.mk b/ttp/ttp.mk
index 4318d48..89161e2 100644
--- a/ttp/ttp.mk
+++ b/ttp/ttp.mk
@@ -14,7 +14,8 @@ PRODUCT_SYSTEM_PROPERTIES += \
 	persist.bluetooth.bluetooth_audio_hal.disabled=true \
 	persist.sys.bt.unsupport.features=00000000 \
 	persist.sys.bt.unsupport.states=00000000 \
-	persist.sys.bt.unsupport.stdfeatures=000001
+	persist.sys.bt.unsupport.stdfeatures=000001 \
+	qemu.hw.mainkeys=1
 
 PRODUCT_COPY_FILES += \
 	device/wephone/ttp/files/aw9523-key.idc:$(TARGET_COPY_OUT_SYSTEM)/usr/idc/aw9523-key.idc \