--- logback-core\src\main\java\ch\qos\logback\core\util\EnvUtil.java	2011-11-08 23:56:08.000000000 +-0100
+++ logback-core\src\main\java\ch\qos\logback\core\util\EnvUtil.java	2011-11-08 23:56:51.000000000 +-0100
@@ -30,13 +30,13 @@
   }
 
 
   static public boolean isJaninoAvailable() {
     ClassLoader classLoader = EnvUtil.class.getClassLoader();
     try {
-      Class bindingClass = classLoader.loadClass("org.codehaus.janino.Cookable");
+      Class bindingClass = classLoader.loadClass("org.codehaus.janino.CompileException");
       return (bindingClass != null);
     } catch (ClassNotFoundException e) {
       return false;
     }
   }
 }