diff --git a/bin/spark b/bin/spark
index 0ffa34a..679e789 100755
--- a/bin/spark
+++ b/bin/spark
@@ -20,6 +20,13 @@ var child_process = require('child_process'),
     cwd = process.cwd(),
     net = require('net');
 
+/**
+ * Coffee script support
+ * Try to require coffee script, ignore if it fails.
+ */
+var coffee_script;
+try { coffee_script = require('coffee-script') } catch (e) {}
+
 /**
  * Framework version.
  */
@@ -253,6 +260,12 @@ function getAppPath() {
         } else if (exists(path + 'server.js')) {
             log('detected server.js');
             path += 'server';
+        } else if (coffee_script && exists(path + 'app.coffee')) {
+            log('detected app.coffee');
+            path += 'app';
+        } else if (coffee_script && exists(path + 'server.coffee')) {
+            log('detected server.coffee');
+            path += 'server';
         } else {
             abort('app not found, pass a module path, or create {app,server}.js');
         }