diff --git a/hal/Android.mk b/hal/Android.mk
index 35dcbb9..d482e97 100644
--- a/hal/Android.mk
+++ b/hal/Android.mk
@@ -14,6 +14,7 @@
   # B-family platform uses msm8974 code base
   AUDIO_PLATFORM = msm8974
 ifneq ($(filter msm8974,$(TARGET_BOARD_PLATFORM)),)
+  LOCAL_CFLAGS := -DPLATFORM_MSM8974
   LOCAL_CFLAGS += -DMAX_TARGET_SPECIFIC_CHANNEL_CNT="2"
 endif
 ifneq ($(filter msm8226,$(TARGET_BOARD_PLATFORM)),)