diff --git a/configure.in b/configure.in
index 63e43bd6d7..9311729f0a 100644
--- a/configure.in
+++ b/configure.in
@@ -3828,7 +3828,7 @@ if test "$wxUSE_OPENGL" = "yes"; then
                         AC_MSG_RESULT([no])
                     fi
                 fi
-            ])
+            ],, [ ])
         ],
         [],
         [ ])
@@ -5887,7 +5887,7 @@ if test "$wxUSE_CONSOLE_EVENTLOOP" = "yes"; then
         fi
 
         if test "$wxUSE_EPOLL_DISPATCHER" = "yes"; then
-            AC_CHECK_HEADERS(sys/epoll.h)
+            AC_CHECK_HEADERS(sys/epoll.h,,, [AC_INCLUDES_DEFAULT()])
             if test "$ac_cv_header_sys_epoll_h" = "yes"; then
                 AC_DEFINE(wxUSE_EPOLL_DISPATCHER)
             else