diff --git a/src/drivers/simple-lwl.cl b/src/drivers/simple-lwl.cl
index 66cfd07..c21726f 100755
--- a/src/drivers/simple-lwl.cl
+++ b/src/drivers/simple-lwl.cl
@@ -13,7 +13,8 @@
 ;;;; 
 ;;;; 
 
-(require "comm")
+(eval-when (:compile-toplevel :load-toplevel :execute)
+  (require "comm"))
 
 (defclass lwl-connection (connection)
   ((stream :initarg :stream :reader connection-stream)))