diff --git a/configure.ac b/configure.ac
index 93c821eda08..254f15bef3e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3357,7 +3357,7 @@ if test "${with_toolkit_scroll_bars}" != "no"; then
     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
     USE_TOOLKIT_SCROLL_BARS=yes
   fi
-elif test "${window_system}" != "x11"; then
+elif test "${window_system}" != "x11" && "${window_system}" != "none"; then
   AC_MSG_ERROR(Non-toolkit scroll bars are not implemented for your system)
 fi