diff --git a/src/option.c b/src/option.c
index cf3a317..56d9493 100644
--- a/src/option.c
+++ b/src/option.c
@@ -7322,6 +7322,7 @@
 	{&lcs_ext,	"extends"},
 	{&lcs_nbsp,	"nbsp"},
 	{&lcs_prec,	"precedes"},
+	{&lcs_space,	"space"},
 	{&lcs_tab2,	"tab"},
 	{&lcs_trail,	"trail"},
 #ifdef FEAT_CONCEAL