diff --git a/tool/digest.cc b/tool/digest.cc
index d3a7222..7b6c88b 100644
--- a/tool/digest.cc
+++ b/tool/digest.cc
@@ -21,6 +21,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <limits.h>
+#include <stdio.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 
diff --git a/tool/rand.cc b/tool/rand.cc
index 3701748..b442e0d 100644
--- a/tool/rand.cc
+++ b/tool/rand.cc
@@ -16,6 +16,7 @@
 #include <vector>
 
 #include <stdint.h>
+#include <stdio.h>
 #include <stdlib.h>
 
 #include <openssl/rand.h>
diff --git a/tool/transport_common.cc b/tool/transport_common.cc
index 8761fea..745e8df 100644
--- a/tool/transport_common.cc
+++ b/tool/transport_common.cc
@@ -154,7 +154,7 @@
   memset(&addr, 0, sizeof(addr));
 
   addr.sin6_family = AF_INET6;
-  addr.sin6_addr = in6addr_any;
+  addr.sin6_addr = IN6ADDR_ANY_INIT;
   addr.sin6_port = htons(atoi(port.c_str()));
 
   bool ok = false;