diff --git a/adbbu/Android.mk b/adbbu/Android.mk
index efb5f9a..8f8dbd0 100644
--- a/adbbu/Android.mk
+++ b/adbbu/Android.mk
@@ -3,7 +3,7 @@
 include $(CLEAR_VARS)
 LOCAL_MODULE := libtwadbbu
 LOCAL_MODULE_TAGS := optional
-LOCAL_CFLAGS = -fno-strict-aliasing -D_LARGFILE_SOURCE
+LOCAL_CFLAGS = -fno-strict-aliasing -D_LARGFILE_SOURCE #-D_DEBUG_ADB_BACKUP
 LOCAL_C_INCLUDES += bionic external/zlib
 ifeq ($(shell test $(PLATFORM_SDK_VERSION) -lt 23; echo $$?),0)
     LOCAL_C_INCLUDES += external/stlport/stlport