diff --git a/src/mailman.scm b/src/mailman.scm
index ba6655e..a78907d 100644
--- a/src/mailman.scm
+++ b/src/mailman.scm
@@ -35,6 +35,7 @@
  (import scheme
 	 (chicken base)
 	 (chicken pathname)
+	 (chicken string)
 	 utils)
 
  ;; Where does the mailman binaries reside