--- a/eric6_compare.py Sat Mar 25 17:38:02 2017 +0100 +++ b/eric6_compare.py Sat Mar 25 20:05:18 2017 +0100 @@ -54,7 +54,9 @@ from UI.CompareDialog import CompareWindow if len(argv) >= 6: # assume last two entries are the files to compare - return CompareWindow([(argv[-5], argv[-2]), (argv[-3], argv[-1])]) + file1 = (argv[-4], argv[-2]) + file2 = (argv[-3], argv[-1]) + return CompareWindow([file1, file2]) elif len(argv) >= 2: return CompareWindow([("", argv[-2]), ("", argv[-1])]) else: