diff --git a/pytr/portfolio.py b/pytr/portfolio.py
index b03d0ac..3b308a6 100644
--- a/pytr/portfolio.py
+++ b/pytr/portfolio.py
@@ -89,7 +89,7 @@ def portfolio_to_csv(self, output_path):
 
         with open(output_path, "w", encoding="utf-8") as f:
             f.write("Name;ISIN;quantity;avgCost;netValue\n")
-            f.write("\n".join(csv_lines))
+            f.write("\n".join(csv_lines) + ("\n" if csv_lines else ""))
 
         print(f"Wrote {len(csv_lines) + 1} lines to {output_path}")