diff --git a/Android.mk b/Android.mk
index c2bca79..5ed965e 100755
--- a/Android.mk
+++ b/Android.mk
@@ -380,6 +380,9 @@
 else
     LOCAL_CFLAGS += -DTW_DEFAULT_LANGUAGE=en
 endif
+ifneq ($(TW_QCOM_ATS_OFFSET),)
+	LOCAL_CFLAGS += -DTW_QCOM_ATS_OFFSET=$(TW_QCOM_ATS_OFFSET)
+endif
 ifneq ($(TW_CLOCK_OFFSET),)
 	LOCAL_CFLAGS += -DTW_CLOCK_OFFSET=$(TW_CLOCK_OFFSET)
 endif