diff --git a/devel.module b/devel.module
old mode 100644
new mode 100755
index 0ebdef4..91a5fc2
--- a/devel.module
+++ b/devel.module
@@ -398,7 +398,7 @@ function devel_init() {
 
       // See http://www.firephp.org/HQ/Install.htm
       $path = NULL;
-      if (@include_once('fb.php')) {
+      if ((@include_once 'fb.php') || (@include_once 'FirePHPCore/fb.php')) {
         // FirePHPCore is in include_path. Probably a PEAR installation.
         $path = '';
       }
