diff --git a/configure b/configure
index edeae83d126..118ff416797 100755
--- a/configure
+++ b/configure
@@ -14014,6 +14014,9 @@ cat >>conftest.$ac_ext <<_ACEOF
      #if HAVE_NETINET_IN_H
      # include <netinet/in.h>
      #endif
+     #if HAVE_ARPA_NAMESER_H
+     # include <arpa/nameser.h>
+     #endif
 
 #include <$ac_header>
 _ACEOF
diff --git a/configure.ac b/configure.ac
index 289b3f7509c..2312127ba64 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1093,6 +1093,9 @@ AC_CHECK_HEADERS([resolv.h],,,
      #endif
      #if HAVE_NETINET_IN_H
      # include <netinet/in.h>
+     #endif
+     #if HAVE_ARPA_NAMESER_H
+     # include <arpa/nameser.h>
      #endif])
 
 AC_CHECK_HEADERS(netinet/ip.h,,,
diff --git a/scheduler/pthread.c b/scheduler/pthread.c
index 1191b35a05b..ab4a3efba95 100644
--- a/scheduler/pthread.c
+++ b/scheduler/pthread.c
@@ -48,6 +48,9 @@ struct _pthread_cleanup_buffer;
 #ifdef HAVE_NETINET_IN_H
 # include <netinet/in.h>
 #endif
+#ifdef HAVE_ARPA_NAMESER_H
+# include <arpa/nameser.h>
+#endif
 #ifdef HAVE_RESOLV_H
 # include <resolv.h>
 #endif