diff --git a/saleae_usb_pcap.py b/saleae_usb_pcap.py
line changes: +1/-1
index b4433a9..89885ce
--- a/saleae_usb_pcap.py
+++ b/saleae_usb_pcap.py

@@ -387,7 +387,7 @@ def main():
     parser.add_argument('-s', '--fold-over-sof', action='store_true', help="don't stop folding for SOF packets")
     parser.add_argument('-m', '--fold-max', type=int, default=1024, help="maximum duplicate packets to fold into one (default: 1024)")
     args = parser.parse_args()
-    csv_to_pcap(args.csv, args.pcap, unfolded=args.unfolded, fold_over_sof=args.fold_over_sof, fold_max=args.fold_max)
+    csv_to_pcap(args.csv_file, args.pcap_file, unfolded=args.unfolded, fold_over_sof=args.fold_over_sof, fold_max=args.fold_max)
 
 
 if __name__ == "__main__":