diff --git a/src/define-opaque-0.2.scm b/src/define-opaque-0.2.scm
index 023872d..6b331f8 100644
--- a/src/define-opaque-0.2.scm
+++ b/src/define-opaque-0.2.scm
@@ -7,6 +7,7 @@
 ; For more information, see the file Unlicense.txt in the LICENSES directory.
 ;
 ; SPDX-License-Identifier: Unlicense
+;
 
 (define-syntax opaque-op
   (syntax-rules ()