diff --git a/src/option.h b/src/option.h
index ebbf94b..2116fe9 100644
--- a/src/option.h
+++ b/src/option.h
@@ -358,6 +358,7 @@
 
 // flags for the 'wildoptions' option
 // each defined char should be unique over all values.
+#define WOP_FUZZY	'z'
 #define WOP_TAGFILE	't'
 #define WOP_PUM		'p'