diff --git a/dartwrf/obs/obsseq.py b/dartwrf/obs/obsseq.py
index 802824e0226b646142924fb3e1585d934b8cf8a6..c58ec79f61e09a631ed5877daf38563a17ad77b1 100755
--- a/dartwrf/obs/obsseq.py
+++ b/dartwrf/obs/obsseq.py
@@ -356,6 +356,7 @@ class ObsSeq(object):
     """
 
     def __init__(self, filepath):
+        self.filepath = filepath
         self.ascii = open(filepath, "r").readlines()
 
         self._get_preamble_content()