diff --git a/openbb_terminal/portfolio/portfolio_engine.py b/openbb_terminal/portfolio/portfolio_engine.py
index 6b25217e590..1086fc0c57f 100644
--- a/openbb_terminal/portfolio/portfolio_engine.py
+++ b/openbb_terminal/portfolio/portfolio_engine.py
@@ -720,7 +720,7 @@ class PortfolioEngine:
 
         # Make historical prices columns a multi-index. This helps the merging.
         self.portfolio_historical_prices.columns = pd.MultiIndex.from_product(
-            [["Close"], self.tickers_list]
+            [["Close"], self.portfolio_historical_prices.columns]
         )
 
         trade_data = pd.merge(