diff --git a/nbase/configlocal.m4 b/nbase/configlocal.m4
index 2b50fd364..0574726fc 100644
--- a/nbase/configlocal.m4
+++ b/nbase/configlocal.m4
@@ -80,6 +80,9 @@ AC_DEFUN(APR_CHECK_WORKING_GETNAMEINFO,[
 #ifdef HAVE_NETINET_IN_H
 #include <netinet/in.h>
 #endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
 
 int main(void) {
     struct sockaddr_in sa;
diff --git a/nbase/configure b/nbase/configure
index 6832563b7..34d199546 100755
--- a/nbase/configure
+++ b/nbase/configure
@@ -4688,6 +4688,9 @@ else
 #ifdef HAVE_NETINET_IN_H
 #include <netinet/in.h>
 #endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
 
 int main(void) {
     struct sockaddr_in sa;