diff --git a/libvoice-broadcom/Makefile b/libvoice-broadcom/Makefile
index dc2eeb70f..9af569025 100644
--- a/libvoice-broadcom/Makefile
+++ b/libvoice-broadcom/Makefile
@@ -28,7 +28,7 @@ PKG_CONFIG_DEPENDS:=CONFIG_TARGET_BOARD
 
 LIBVOICE_PKG_BUILD_DIR := $(PKG_BUILD_DIR)
 
-export CONFIG_BCM_CHIP_ID
+export BCM_CHIP_ID:=$(SUBTARGET)
 
 include $(INCLUDE_DIR)/package.mk