diff --git a/src/libcallback_wz_mod/Makefile b/src/libcallback_wz_mod/Makefile
index dc932f2..dc4c7bc 100644
--- a/src/libcallback_wz_mod/Makefile
+++ b/src/libcallback_wz_mod/Makefile
@@ -2,7 +2,7 @@
 
 CC = /openmiko/build/mips-gcc472-glibc216-64bit/bin/mips-linux-uclibc-gnu-gcc
 CFLAGS = -fPIC -std=gnu99 -shared -ldl -ltinyalsa -lm -pthread
-CC_SRCS = video_callback.c audio_callback.c jpeg.c setlinebuf.c mmc_format.c curl.c freopen.c opendir.c remove.c motor.c command.c gmtime_r.c wait_motion.c irled.c audio_play.c mp4write.c imp_control.c
+CC_SRCS = video_callback.c audio_callback.c jpeg.c setlinebuf.c mmc_format.c curl.c freopen.c opendir.c remove.c motor.c command.c gmtime_r.c wait_motion.c irled.c audio_play.c mp4write.c imp_control.c night_drop.c
 TARGET = libcallback.so
 
 all: ${TARGET}
diff --git a/src/libcallback_wz_mod/libcallback.so b/src/libcallback_wz_mod/libcallback.so
index 4d5e9cb..e54d5e6 100644
Binary files a/src/libcallback_wz_mod/libcallback.so and b/src/libcallback_wz_mod/libcallback.so differ