diff --git a/config.h.in b/config.h.in
index aa1c82e3..edb4e499 100644
--- a/config.h.in
+++ b/config.h.in
@@ -111,6 +111,9 @@
 /* Define to 1 if you have the `vsnprintf' function. */
 #undef HAVE_VSNPRINTF
 
+/* "Xft UTF8 support" */
+#undef HAVE_XFT_UTF8_STRING
+
 /* "Interlaced rendering" */
 #undef INTERLACE