diff --git a/usr.bin/ldd/ldd.c b/usr.bin/ldd/ldd.c
index da44c5c4561..4ef8f4db09b 100644
--- a/usr.bin/ldd/ldd.c
+++ b/usr.bin/ldd/ldd.c
@@ -35,6 +35,7 @@ static const char rcsid[] =
 
 #include <sys/wait.h>
 #include <machine/elf.h>
+#include <arpa/inet.h>
 #include <a.out.h>
 #include <dlfcn.h>
 #include <err.h>
diff --git a/usr.bin/ldd/sods.c b/usr.bin/ldd/sods.c
index 8b9716db190..748d34005f4 100644
--- a/usr.bin/ldd/sods.c
+++ b/usr.bin/ldd/sods.c
@@ -28,6 +28,7 @@ static const char rcsid[] =
   "$FreeBSD$";
 #endif /* not lint */
 
+#include <arpa/inet.h>
 #include <assert.h>
 #include <ctype.h>
 #include <err.h>