diff --git a/scheme-id.scm b/scheme-id.scm
index 62659c8..1a940f7 100644
--- a/scheme-id.scm
+++ b/scheme-id.scm
@@ -98,6 +98,10 @@
 (description "STklos")
 (contact "Erick Gallesio")
 
+(id unsyntax)
+(description "Unsyntax")
+(contact "Marc Nieper-Wißkirchen")
+
 (id ypsilon)
 (description "Ypsilon")
 (contact "Yoshikatsu Fujita")