diff --git a/collects/mysterx/info.ss b/collects/mysterx/info.ss
index 804944c5e5..1268c8a41f 100644
--- a/collects/mysterx/info.ss
+++ b/collects/mysterx/info.ss
@@ -10,5 +10,4 @@
      "ActiveX controls and other COM components under Windows. "
      "MysterX also has a programmable Web browser with support for "
      "Dynamic HTML."))
-  (define compile-omit-files '("mxdemo.ss"))
   (define post-install-collection "installer.ss"))
diff --git a/collects/mysterx/mxdemo.ss b/collects/mysterx/mxdemo.ss
index dec99ea985..29acbcd1a8 100644
--- a/collects/mysterx/mxdemo.ss
+++ b/collects/mysterx/mxdemo.ss
@@ -11,10 +11,11 @@
   (require (lib "mysterx.ss" "mysterx"))
   
   (require (lib "runtime-path.ss")
-           (lib "system.ss"))
+           (lib "process.ss"))
+
   ;; Ensure that DLLs are included with the distibution:
-  (define-runtime-path myspage-dll (so "myspage"))
-  (define-runtime-path myssink-dll (so "myssink"))
+  (define-runtime-path myspage-dll '(so "myspage"))
+  (define-runtime-path myssink-dll '(so "myssink"))
   ;; Register them every time we start:
   (system* "regsvr32.exe" "/s" myspage-dll)
   (system* "regsvr32.exe" "/s" myssink-dll)