diff --git a/src/pages/backtesting/backtesting_page.py b/src/pages/backtesting/backtesting_page.py
index f29f2bd..65d31e7 100644
--- a/src/pages/backtesting/backtesting_page.py
+++ b/src/pages/backtesting/backtesting_page.py
@@ -145,8 +145,17 @@ class DynamicStrategy(Strategy):
                 
             elif ind_config['type'] == 'ADX':
                 def adx_calc(high, low, close):
-                    result = ta.adx(high, low, close, length=int(ind_config['params']['length']))
-                    return result.fillna(method='ffill').fillna(0).values
+                    result = ta.adx(high=pd.Series(high), 
+                                  low=pd.Series(low), 
+                                  close=pd.Series(close), 
+                                  length=int(ind_config['params']['length']),
+                                  lensig=14)  # Adding lensig parameter
+                    if isinstance(result, pd.DataFrame):
+                        # ADX is typically the third column in the result
+                        return result.iloc[:, 2].fillna(method='ffill').fillna(0).values
+                    else:
+                        # If result is a Series, return it directly
+                        return result.fillna(method='ffill').fillna(0).values
                 self.indicators[ind_name] = self.I(adx_calc, self.data.High, self.data.Low, self.data.Close)
                 
             elif ind_config['type'] == 'CCI':