diff --git a/chicken-slime.el b/chicken-slime.el
index d9713d4..15ba642 100644
--- a/chicken-slime.el
+++ b/chicken-slime.el
@@ -1,5 +1,5 @@
 (setq slime-lisp-implementations
-      (cons '(chicken ("csi")
+      (cons '(chicken ("/usr/local/bin/csi")
                       :init chicken-slime-init)
             slime-lisp-implementations))
 
diff --git a/swank.scm b/swank.scm
index 6ced8f8..abf0ca2 100644
--- a/swank.scm
+++ b/swank.scm
@@ -30,5 +30,6 @@
        srfi-13
        symbol-utils
        apropos
+       irregex
        fmt)
   (include "swank-chicken.scm"))
diff --git a/swank.setup b/swank.setup
index f421187..4d8b67b 100644
--- a/swank.setup
+++ b/swank.setup
@@ -8,7 +8,8 @@
   ; Name of your extension:
   'swank
   ; Files to install for your extension:
-  '("swank.o" "swank.so" "swank.import.so" "chicken-slime.el")
+  '("swank.o" "swank.so" "swank.import.so"
+    "chicken-slime.el" "swank-chicken.scm")
   ; Assoc list with properties for your extension:
   '((version 0.2)
     (static "swank.o"))) ;; for static linking