diff --git a/Makefile b/Makefile
index ef5d393..15328c1 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@ nmrp.o: nmrp.c nmrpd.h
 tftp.o: tftp.c nmrpd.h
 	$(CC) $(CFLAGS) -c -o tftp.o tftp.c
 
-ethsock.o: ethsock.c ethsock.h
+ethsock.o: ethsock.c nmrpd.h
 	$(CC) $(CFLAGS) -c -o ethsock.o ethsock.c
 
 main.o: main.c nmrpd.h
diff --git a/main.c b/main.c
index 83e791c..1ee2986 100644
--- a/main.c
+++ b/main.c
@@ -17,6 +17,7 @@
  *
  */
 
+#include <unistd.h>
 #include <getopt.h>
 #include <stdlib.h>
 #include <stdio.h>