diff --git a/tracetools_analysis/tracetools_analysis/convert.py b/tracetools_analysis/tracetools_analysis/convert.py
index a8f16e2..88f33e2 100644
--- a/tracetools_analysis/tracetools_analysis/convert.py
+++ b/tracetools_analysis/tracetools_analysis/convert.py
@@ -26,9 +26,10 @@ def parse_args():
     parser = argparse.ArgumentParser(
         description='Convert CTF trace data to a file.')
     parser.add_argument(
-        'trace_directory', help='the path to the main CTF trace directory')
+        'trace_directory',
+        help='the path to the main CTF trace directory')
     parser.add_argument(
-        '-o', '--output-file-path',
+        '-o', '--output-file-path', dest='output_file_path',
         help='the path to the output file to generate (default: $trace_directory/converted)')
     args = parser.parse_args()
     if args.output_file_path is None:
diff --git a/tracetools_analysis/tracetools_analysis/process.py b/tracetools_analysis/tracetools_analysis/process.py
index 70cc7e1..e629c29 100644
--- a/tracetools_analysis/tracetools_analysis/process.py
+++ b/tracetools_analysis/tracetools_analysis/process.py
@@ -26,9 +26,10 @@ def parse_args():
     parser = argparse.ArgumentParser(description='Process a file converted from a trace'
                                                  'directory and analyze the data.')
     parser.add_argument(
-        'output_file_path', help='the converted file to import')
+        'output_file_path',
+        help='the converted file to import')
     parser.add_argument(
-        '-d', '--debug',
+        '-d', '--debug', dest='debug',
         action='store_true', default=False,
         help='display debug information (e.g. resulting model)')
     return parser.parse_args()