diff --git a/external/bsd/mdocml/include/config.h b/external/bsd/mdocml/include/config.h
index 1677d4e5c134..f28d2efc96e4 100644
--- a/external/bsd/mdocml/include/config.h
+++ b/external/bsd/mdocml/include/config.h
@@ -41,7 +41,7 @@
 #define HAVE_STRTONUM 0
 #define HAVE_SYS_ENDIAN 1
 #define HAVE_VASPRINTF 1
-#define HAVE_WCHAR 1
+#define HAVE_WCHAR 0
 #define HAVE_OHASH 0
 
 #define BINM_APROPOS "apropos"