diff --git a/src/structs.h b/src/structs.h
index 137352d..99afecf 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -432,6 +432,7 @@
 {
     int		xp_context;		/* type of expansion */
     char_u	*xp_pattern;		/* start of item to expand */
+    int		xp_pattern_len;		/* bytes in xp_pattern before cursor */
 #if defined(FEAT_USR_CMDS) && defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL)
     char_u	*xp_arg;		/* completion function */
     int		xp_scriptID;		/* SID for completion function */