diff --git a/src/structs.h b/src/structs.h
index 2c7f710..d14c5bd 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -2021,6 +2021,9 @@
     regmmatch_T	match;	    /* regexp program for pattern */
     posmatch_T	pos;	    /* position matches */
     match_T	hl;	    /* struct for doing the actual highlighting */
+#ifdef FEAT_CONCEAL
+    int		conceal_char; /* cchar for Conceal highlighting */
+#endif
 };
 
 /*