diff --git a/freqtrade/commands/arguments.py b/freqtrade/commands/arguments.py
index 5473e95e1..ffe942773 100755
--- a/freqtrade/commands/arguments.py
+++ b/freqtrade/commands/arguments.py
@@ -65,8 +65,8 @@ ARGS_BUILD_CONFIG = ["config"]
 
 ARGS_BUILD_STRATEGY = ["user_data_dir", "strategy", "template"]
 
+ARGS_CONVERT_DATA_TRADES = ["pairs", "format_from_trades", "format_to", "erase", "exchange"]
 ARGS_CONVERT_DATA = ["pairs", "format_from", "format_to", "erase", "exchange"]
-
 ARGS_CONVERT_DATA_OHLCV = ARGS_CONVERT_DATA + ["timeframes", "trading_mode", "candle_types"]
 
 ARGS_CONVERT_TRADES = ["pairs", "timeframes", "exchange", "dataformat_ohlcv", "dataformat_trades"]
@@ -265,7 +265,7 @@ class Arguments:
             parents=[_common_parser],
         )
         convert_trade_data_cmd.set_defaults(func=partial(start_convert_data, ohlcv=False))
-        self._build_args(optionlist=ARGS_CONVERT_DATA, parser=convert_trade_data_cmd)
+        self._build_args(optionlist=ARGS_CONVERT_DATA_TRADES, parser=convert_trade_data_cmd)
 
         # Add trades-to-ohlcv subcommand
         convert_trade_data_cmd = subparsers.add_parser(
diff --git a/freqtrade/commands/cli_options.py b/freqtrade/commands/cli_options.py
index 586318e30..53147856d 100755
--- a/freqtrade/commands/cli_options.py
+++ b/freqtrade/commands/cli_options.py
@@ -421,6 +421,12 @@ AVAILABLE_CLI_OPTIONS = {
              'desired timeframe as specified as --timeframes/-t.',
         action='store_true',
     ),
+    "format_from_trades": Arg(
+        '--format-from',
+        help='Source format for data conversion.',
+        choices=constants.AVAILABLE_DATAHANDLERS + ['csv'],
+        required=True,
+    ),
     "format_from": Arg(
         '--format-from',
         help='Source format for data conversion.',
diff --git a/freqtrade/commands/data_commands.py b/freqtrade/commands/data_commands.py
index bccc6ea9a..229373400 100644
--- a/freqtrade/commands/data_commands.py
+++ b/freqtrade/commands/data_commands.py
@@ -85,7 +85,7 @@ def start_convert_data(args: Dict[str, Any], ohlcv: bool = True) -> None:
                              erase=args['erase'])
     else:
         convert_trades_format(config,
-                              convert_from=args['format_from'], convert_to=args['format_to'],
+                              convert_from=args['format_from_trades'], convert_to=args['format_to'],
                               erase=args['erase'])