diff --git a/edn-impl.scm b/edn-impl.scm
index 5fd0c8b..220e004 100644
--- a/edn-impl.scm
+++ b/edn-impl.scm
@@ -1,6 +1,7 @@
 (import scheme
 	srfi-69
 	srfi-1
+	(chicken base)
 	(chicken keyword)
 	(chicken port))
 ;; EDN Reading