diff --git a/bin/tools/misc.py b/bin/tools/misc.py
index ec4c92d1858..9e4dd3c3cdd 100644
--- a/bin/tools/misc.py
+++ b/bin/tools/misc.py
@@ -247,7 +247,8 @@ def file_open(name, mode="r", subdir='addons', pathinfo=False):
             if pathinfo:
                 return fo, i
             return fo
-
+    if os.path.splitext(name)[1] == '.rml':
+        raise IOError, 'Report %s doesn\'t exist or deleted : ' %str(name)
     raise IOError, 'File not found : '+str(name)