diff --git a/wetb/hawc2/htc_file.py b/wetb/hawc2/htc_file.py
index 9d22ce8d98936858248543d95411dbae3cbce024..0f559e2fb001c298c35e07d91c27087dd24c22ba 100644
--- a/wetb/hawc2/htc_file.py
+++ b/wetb/hawc2/htc_file.py
@@ -345,7 +345,7 @@ class HTCFile(HTCContents, HTCDefaults):
             raise Exception (str(stdout) + str(stderr))
 
 class H2aeroHTCFile(HTCFile):
-    def __init__(self, filename=None, modelpath="../"):
+    def __init__(self, filename=None, modelpath=None):
         HTCFile.__init__(self, filename=filename, modelpath=modelpath)
 
     @property