diff --git a/lib/Makefile.am b/lib/Makefile.am
index 7c06e27..590f0ec 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -4,4 +4,4 @@
 
 AM_CFLAGS = -O2 -fno-builtin -Wall -DSBINDIR='"$(sbindir)"' -ggdb
 
-libmisc_a_SOURCES = getopt1.c getopt.c ippool.c lookup.c syserr.c tun.c
+libmisc_a_SOURCES = getopt1.c getopt.c ippool.c lookup.c tun.c debug.c