diff --git a/src/option.h b/src/option.h
index 91d8d95..67d0b04 100644
--- a/src/option.h
+++ b/src/option.h
@@ -520,13 +520,14 @@
 #define COT_ANY_MENU	0x003	// combination of menu flags
 #define COT_LONGEST	0x004	// FALSE: insert full match,
 				// TRUE: insert longest prefix
-#define COT_PREVIEW	0x008
-#define COT_POPUP	0x010
-#define COT_POPUPHIDDEN	0x020
-#define COT_ANY_PREVIEW	0x038	// combination of preview flags
-#define COT_NOINSERT	0x040	// FALSE: select & insert, TRUE: noinsert
-#define COT_NOSELECT	0x080	// FALSE: select & insert, TRUE: noselect
-#define COT_FUZZY	0x100	// TRUE: fuzzy match enabled
+#define COT_PREVIEW	    0x008
+#define COT_POPUP	    0x010
+#define COT_POPUPHIDDEN	    0x020
+#define COT_ANY_PREVIEW	    0x038   // combination of preview flags
+#define COT_NOINSERT	    0x040   // FALSE: select & insert, TRUE: noinsert
+#define COT_NOSELECT	    0x080   // FALSE: select & insert, TRUE: noselect
+#define COT_FUZZY	    0x100   // TRUE: fuzzy match enabled
+#define COT_FUZZYCOLLECT    0x200   // TRUE: fuzzy collect enabled
 #ifdef BACKSLASH_IN_FILENAME
 EXTERN char_u	*p_csl;		// 'completeslash'
 #endif