diff --git a/target/product/mainline_system.mk b/target/product/mainline_system.mk
index 7677f219c..d18fd62a2 100644
--- a/target/product/mainline_system.mk
+++ b/target/product/mainline_system.mk
@@ -54,7 +54,7 @@ PRODUCT_PACKAGES += \
     audio.a2dp.default \
     audio.hearing_aid.default \
 
-PRODUCT_PACKAGES_DEBUG := \
+PRODUCT_PACKAGES_DEBUG += \
     avbctl \
     bootctl \
     tinyplay \