diff --git a/tracetools_analysis/tracetools_analysis/process.py b/tracetools_analysis/tracetools_analysis/process.py
index 63acdd2..4da6538 100644
--- a/tracetools_analysis/tracetools_analysis/process.py
+++ b/tracetools_analysis/tracetools_analysis/process.py
@@ -34,40 +34,60 @@ def parse_args():
         'input_path',
         help='the path to a converted file to import and process, '
         'or the path to a CTF directory to convert and process')
+    parser.add_argument(
+        '-f', '--force-conversion', dest='force_conversion',
+        action='store_true', default=False,
+        help='re-convert trace directory even if converted file is found')
     return parser.parse_args()
 
 
 def main():
     args = parse_args()
     input_path = args.input_path
+    force_conversion = args.force_conversion
 
-    start_time = time.time()
-
+    converted_file_path = None
     input_path = os.path.expanduser(input_path)
     # Check if not a file
     if not os.path.isfile(input_path):
-        # Might be a trace directory
-        # Check if there is a converted file
-        prospective_converted_file = os.path.join(input_path, DEFAULT_CONVERT_FILE_NAME)
-        if os.path.isfile(prospective_converted_file):
+        input_directory = input_path
+        # Might be a (trace) directory
+        # Check if there is a converted file under the given directory
+        prospective_converted_file_path = os.path.join(input_directory, DEFAULT_CONVERT_FILE_NAME)
+        if os.path.isfile(prospective_converted_file_path):
             # Use that as the converted input file
-            print(f'found converted file: {prospective_converted_file}')
-            input_path = prospective_converted_file
+            converted_file_path = prospective_converted_file_path
+            if force_conversion:
+                print(f'found converted file but re-creating it: {converted_file_path}')
+                convert(input_directory, DEFAULT_CONVERT_FILE_NAME)
+            else:
+                print(f'found converted file: {converted_file_path}')
         else:
             # Check if it is a trace directory
             # Result could be unexpected because it will look for trace directories recursively
-            if is_trace_directory(input_path):
+            # (e.g. '/' is a valid trace directory if there is at least one trace anywhere)
+            if is_trace_directory(input_directory):
                 # Convert trace directory first to create converted file
-                convert(input_path, DEFAULT_CONVERT_FILE_NAME)
-                input_path = prospective_converted_file
+                convert(input_directory, DEFAULT_CONVERT_FILE_NAME)
+                converted_file_path = prospective_converted_file_path
             else:
                 # We cannot do anything
                 print(
-                    f'cannot find either a trace directory or a converted file: {input_path}',
+                    f'cannot find either a trace directory or a converted file: {input_directory}',
                     file=sys.stderr)
                 return 1
+    else:
+        converted_file_path = input_path
+        if force_conversion:
+            # It's a file, but re-create it anyway
+            print(f'found converted file but re-creating it: {converted_file_path}')
+            input_directory = os.path.dirname(converted_file_path)
+            input_file_name = os.path.basename(converted_file_path)
+            convert(input_directory, input_file_name)
 
-    events = load_file(input_path)
+    start_time = time.time()
+
+    events = load_file(converted_file_path)
     ros2_handler = Ros2Handler.process(events)
 
     time_diff = time.time() - start_time