diff -Naur atftp-0.7.dfsg/logger.c atftp-0.7.dfsg-fixed/logger.c
--- atftp-0.7.dfsg/logger.c
+++ atftp-0.7.dfsg-fixed/logger.c
@@ -27,6 +27,7 @@
 #include <string.h>
 #include <time.h>
 #include <unistd.h>
+#include <pthread.h>
 #include <netdb.h>
 #include "logger.h"