diff --git a/_web_server/playground-server.scm b/_web_server/playground-server.scm
index d55d916..fa8b2bb 100755
--- a/_web_server/playground-server.scm
+++ b/_web_server/playground-server.scm
@@ -27,7 +27,7 @@
 
 (define DEFAULT-CODE
   (string-append
-   "`timescale 10ps/10ps\n"
+   "`timescale 10ps/10ps\n\n"
    "module test;\n"
    "  initial begin\n"
    "    $display(\"Hello world!\");\n"