1 files changed, 1 insertions, 0 deletions
diff --git a/dns.c b/dns.c
index dd9ebfca8d82..bd28c4db724c 100644
--- a/dns.c
+++ b/dns.c
@@ -34,6 +34,7 @@
  */
 
 #include <sys/types.h>
+#include <sys/param.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <arpa/nameser.h>