diff --git a/erts/configure.in b/erts/configure.in
index 21e1437adb6d..c0dbdedd7905 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -2240,6 +2240,7 @@ AC_CACHE_CHECK(
 		#include <sys/types.h>
 		#include <sys/socket.h>
 		#include <netinet/in.h>
+		#include <stdio.h>
 	    ]],
 	    [[printf("%d", in6addr_any.s6_addr[16]);]]
 	)],
@@ -2263,6 +2264,7 @@ AC_CACHE_CHECK(
 		#include <sys/types.h>
 		#include <sys/socket.h>
 		#include <netinet/in.h>
+		#include <stdio.h>
 	    ]],
 	    [[printf("%d", in6addr_loopback.s6_addr[16]);]]
 	)],