diff --git a/widevine/device.mk b/widevine/device.mk
index 14aabd62..ea942bb5 100644
--- a/widevine/device.mk
+++ b/widevine/device.mk
@@ -2,3 +2,8 @@ PRODUCT_PACKAGES += \
 	android.hardware.drm-service.clearkey \
 	com.google.android.widevine
 BOARD_VENDOR_SEPOLICY_DIRS += device/google/gs201-sepolicy/widevine
+
+# Check if we can use dev keys
+ifneq ($(wildcard vendor/google/dev-keystore),)
+$(call soong_config_set,widevine,use_devkey,true)
+endif
\ No newline at end of file