diff --git a/freqtrade/arguments.py b/freqtrade/arguments.py
index 501c1784f..bb571b4ea 100644
--- a/freqtrade/arguments.py
+++ b/freqtrade/arguments.py
@@ -119,7 +119,6 @@ class Arguments(object):
             help='Override trades database URL, this is useful if dry_run is enabled'
                  ' or in custom deployments (default: %(default)s)',
             dest='db_url',
-            default=constants.DEFAULT_DB_PROD_URL,
             type=str,
             metavar='PATH',
         )
diff --git a/freqtrade/configuration.py b/freqtrade/configuration.py
index 3da432b1d..4e1137f33 100644
--- a/freqtrade/configuration.py
+++ b/freqtrade/configuration.py
@@ -110,9 +110,12 @@ class Configuration(object):
                 '(not applicable with Backtesting and Hyperopt)'
             )
 
-        if self.args.db_url != constants.DEFAULT_DB_PROD_URL:
+        if self.args.db_url and self.args.db_url != constants.DEFAULT_DB_PROD_URL:
             config.update({'db_url': self.args.db_url})
             logger.info('Parameter --db-url detected ...')
+        else:
+            # Set default here
+            config.update({'db_url': constants.DEFAULT_DB_PROD_URL})
 
         if config.get('dry_run', False):
             logger.info('Dry run is enabled')
diff --git a/scripts/plot_dataframe.py b/scripts/plot_dataframe.py
index 0f0a3d4cb..68713f296 100755
--- a/scripts/plot_dataframe.py
+++ b/scripts/plot_dataframe.py
@@ -73,7 +73,7 @@ def load_trades(args: Namespace, pair: str, timerange: TimeRange) -> pd.DataFram
         file = Path(args.exportfilename)
         # must align with columns in backtest.py
         columns = ["pair", "profit", "opents", "closets", "index", "duration",
-                   "open_rate", "close_rate", "open_at_end"]
+                   "open_rate", "close_rate", "open_at_end", "sell_reason"]
         with file.open() as f:
             data = json.load(f)
             trades = pd.DataFrame(data, columns=columns)