diff --git a/metadata.py b/metadata.py
index 9d36893da2ee79a12622a459bcdf4ceb993155cc..94c2f4e5adb13398e108745e683da5c039fbb2d9 100644
--- a/metadata.py
+++ b/metadata.py
@@ -135,7 +135,7 @@ class MetaData:
         method_name = MetaData.__init__.__name__+" of Class "+MetaData.__name__
         # actual work:
         meta_dict = {"expname": self.expname,
-                     "expdir" : self.exp_dir}
+                     "expdir" : self.expdir}
         
         meta_dict["sw_corner_frame"] = {
             "lat" : self.sw_c[0],