diff --git a/utils/themeeditor/tag_table.c b/utils/themeeditor/tag_table.c
index 9b073881b4..3aa7cf26ce 100644
--- a/utils/themeeditor/tag_table.c
+++ b/utils/themeeditor/tag_table.c
@@ -53,7 +53,8 @@ struct tag_info legal_tags[] =
     { "cm", "" },
     { "cM", "" },
     { "cS", "" },
-    { "c", "" },
+    { "cy", "" },
+    { "cY", "" },
     { "cP", "" },
     { "cp", "" },
     { "ca", "" },