diff --git a/freqtrade/optimize/optimize_reports.py b/freqtrade/optimize/optimize_reports.py
index 0de0c16a0..47ddfc9fc 100644
--- a/freqtrade/optimize/optimize_reports.py
+++ b/freqtrade/optimize/optimize_reports.py
@@ -278,7 +278,7 @@ def generate_backtest_stats(btdata: Dict[str, DataFrame],
             'left_open_trades': left_open_results,
             'total_trades': len(results),
             'total_volume': float(results['stake_amount'].sum()),
-            'avg_stake_amount': results['stake_amount'].mean(),
+            'avg_stake_amount': results['stake_amount'].mean() if len(results) > 0 else 0,
             'profit_mean': results['profit_ratio'].mean() if len(results) > 0 else 0,
             'profit_total': results['profit_abs'].sum() / starting_balance,
             'profit_total_abs': results['profit_abs'].sum(),