diff --git a/configure b/configure
index 58aa461a675..f7a5ea70195 100755
--- a/configure
+++ b/configure
@@ -7962,6 +7962,9 @@ cat >>conftest.$ac_ext <<_ACEOF
      #ifdef HAVE_SYS_SOCKETVAR_H
      # include <sys/socketvar.h>
      #endif
+     #ifdef HAVE_NET_ROUTE_H
+     # include <net/route.h>
+     #endif
      #ifdef HAVE_NETINET_IN_H
      # include <netinet/in.h>
      #endif
diff --git a/configure.ac b/configure.ac
index 61c50b30413..122191d6821 100644
--- a/configure.ac
+++ b/configure.ac
@@ -399,6 +399,9 @@ AC_CHECK_HEADERS(\
      #ifdef HAVE_SYS_SOCKETVAR_H
      # include <sys/socketvar.h>
      #endif
+     #ifdef HAVE_NET_ROUTE_H
+     # include <net/route.h>
+     #endif
      #ifdef HAVE_NETINET_IN_H
      # include <netinet/in.h>
      #endif