diff --git a/signalgen.py b/signalgen.py
index d6b2a0a..d4439af 100755
--- a/signalgen.py
+++ b/signalgen.py
@@ -101,7 +101,7 @@ def processDir(values, fileList):
 	Processes all .fil files in a directory.
 	"""
 	for filename in fileList:
-		values.file = path.join(values.fileDir1, filename)
+		values.file = path.join(values.fileDir, filename)
 		try:
 			addBurst(values)
 		except Exception as error: