diff --git a/Android.mk b/Android.mk
index 72fa98c..0419e82 100644
--- a/Android.mk
+++ b/Android.mk
@@ -187,6 +187,9 @@
 ifeq ($(TW_HAS_DOWNLOAD_MODE), true)
     LOCAL_CFLAGS += -DTW_HAS_DOWNLOAD_MODE
 endif
+ifeq ($(TW_NO_SCREEN_BLANK), true)
+    LOCAL_CFLAGS += -DTW_NO_SCREEN_BLANK
+endif
 ifeq ($(TW_SDEXT_NO_EXT4), true)
     LOCAL_CFLAGS += -DTW_SDEXT_NO_EXT4
 endif