diff --git a/hal/audio_extn/Android.mk b/hal/audio_extn/Android.mk
index 1e13f86..7fc02cb 100644
--- a/hal/audio_extn/Android.mk
+++ b/hal/audio_extn/Android.mk
@@ -202,6 +202,10 @@
     $(TARGET_OUT_HEADERS)/mm-audio/surround_sound_3mic/ \
     $(TARGET_OUT_HEADERS)/common/inc/
 
+ifeq ($(ENABLE_AUDIO_LEGACY_TECHPACK),true)
+LOCAL_HEADER_LIBRARIES += qti_legacy_audio_kernel_uapi
+endif
+
 LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include
 LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include/audio
 LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/techpack/audio/include