diff --git a/hash-syntax.scm b/hash-syntax.scm
index d543115..6a408e9 100644
--- a/hash-syntax.scm
+++ b/hash-syntax.scm
@@ -4,6 +4,9 @@
 (id "#\"...\"")
 (description "Interpolated string [Gauche]")
 
+(id "#${...}")
+(description "Binary blob [Chicken]")
+
 (id "#'")
 (description "Syntax datum [R6RS, syntax-case]")